{"id":3966,"date":"2015-10-06T00:02:26","date_gmt":"2015-10-05T21:02:26","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=3966"},"modified":"2015-10-06T00:02:26","modified_gmt":"2015-10-05T21:02:26","slug":"%ce%b5%cf%85%ce%b8%cf%8d%ce%b3%cf%81%ce%b1%ce%bc%ce%bc%ce%b7-%ce%ba%ce%af%ce%bd%ce%b7%cf%83%ce%b7-online-%cf%80%ce%bf%ce%bb%ce%bb%ce%b1%cf%80%ce%bb%ce%ae%cf%82-%ce%b5%cf%80%ce%b9%ce%bb%ce%bf%ce%b3","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=3966","title":{"rendered":"\u0395\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u039a\u03af\u03bd\u03b7\u03c3\u03b7 Online: \u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ae\u03c2 \u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2"},"content":{"rendered":"<p><script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam26\" style=\"display:none;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-26\"><p>\u0394\u03bf\u03ba\u03af\u03bc\u03b1\u03c3\u03b5 \u03bd\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03b9\u03c2 20 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ae\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc 1 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1 \u03b7 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03af\u03b1.<\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03ac\u03c4\u03b1 \u03c4\u03bf \"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\" \u03ba\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03bc\u03b1\u03c4\u03b1 \u03b8\u03b1 \u03b4\u03b5\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c3\u03bf\u03c5.<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-26\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-250'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7 \u03c6\u03c1\u03ac\u03c3\u03b7:<br \/>\r\n\u0397 \u03bc\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7<\/div><input type='hidden' name='question_id[]' id='qID_1' value='250' \/><input type='hidden' id='answerType250' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-250[]' id='answer-id-753' class='answer   answerof-250 watupro_max_selections-3' value='753'  onclick='return WatuPRO.maxSelections(250,3, this);' \/><label for='answer-id-753' id='answer-label-753' class=' answer'><span>\u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03cc \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-250[]' id='answer-id-754' class='answer   answerof-250 watupro_max_selections-3' value='754'  onclick='return WatuPRO.maxSelections(250,3, this);' \/><label for='answer-id-754' id='answer-label-754' class=' answer'><span>\u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03bd\u03c5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03bc\u03b5 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03b8\u03ad\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-250[]' id='answer-id-755' class='answer   answerof-250 watupro_max_selections-3' value='755'  onclick='return WatuPRO.maxSelections(250,3, this);' \/><label for='answer-id-755' id='answer-label-755' class=' answer'><span>\u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03b8\u03ad\u03c3\u03b7 \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-250[]' id='answer-id-756' class='answer   answerof-250 watupro_max_selections-3' value='756'  onclick='return WatuPRO.maxSelections(250,3, this);' \/><label for='answer-id-756' id='answer-label-756' class=' answer'><span>\u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03bd \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b1\u03bb\u03b3\u03b5\u03b2\u03c1\u03b9\u03ba\u03ac (\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b7\u03bc\u03ac \u03c4\u03bf\u03c5\u03c2) \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bc\u03ad\u03c1\u03bf\u03c5\u03c2 \u03b4\u03b9\u03b1\u03b4\u03bf\u03c7\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03b9\u03c2.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-249'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>\u0395\u03c0\u03ad\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c1\u03cc\u03c4\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bc\u03c0\u03bb\u03b7\u03c1\u03ce\u03bd\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c6\u03c1\u03ac\u03c3\u03b7:<br \/>\r\n\u0397 \u03bc\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1<\/div><input type='hidden' name='question_id[]' id='qID_2' value='249' \/><input type='hidden' id='answerType249' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-249[]' id='answer-id-749' class='answer   answerof-249 ' value='749'   \/><label for='answer-id-749' id='answer-label-749' class=' answer'><span>\u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-249[]' id='answer-id-750' class='answer   answerof-249 ' value='750'   \/><label for='answer-id-750' id='answer-label-750' class=' answer'><span>\u03cc\u03c4\u03b1\u03bd \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-249[]' id='answer-id-751' class='answer   answerof-249 ' value='751'   \/><label for='answer-id-751' id='answer-label-751' class=' answer'><span>\u03c3\u03c4\u03b7\u03bd \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03cc\u03c0\u03bf\u03c5 \u03c4\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u03b4\u03b5\u03bd \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03c6\u03bf\u03c1\u03ac \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-249[]' id='answer-id-752' class='answer   answerof-249 ' value='752'   \/><label for='answer-id-752' id='answer-label-752' class=' answer'><span>\u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03c6\u03bf\u03c1\u03ac.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-268'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u0388\u03bd\u03b1\u03c2 \u03c0\u03bf\u03b4\u03b7\u03bb\u03ac\u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03bd\u03cd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03bc\u03b5 \u03c0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03bf. \u0393\u03b9\u03b1 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03ce\u03c1\u03b1\u03c2 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 12km\/s. \u03a4\u03b9\u03c2 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c4\u03c1\u03b5\u03b9\u03c2 \u03ce\u03c1\u03b5\u03c2 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 8km\/h \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b4\u03cd\u03bf \u03ce\u03c1\u03b5\u03c2 \u03bc\u03b5 10km\/h. \u0397 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03b5 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ac \u03ae\u03c4\u03b1\u03bd:<\/div><input type='hidden' name='question_id[]' id='qID_3' value='268' \/><input type='hidden' id='answerType268' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-268[]' id='answer-id-822' class='answer   answerof-268 ' value='822'   \/><label for='answer-id-822' id='answer-label-822' class=' answer'><span>12km<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-268[]' id='answer-id-823' class='answer   answerof-268 ' value='823'   \/><label for='answer-id-823' id='answer-label-823' class=' answer'><span>24km<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-268[]' id='answer-id-824' class='answer   answerof-268 ' value='824'   \/><label for='answer-id-824' id='answer-label-824' class=' answer'><span>36km<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-268[]' id='answer-id-825' class='answer   answerof-268 ' value='825'   \/><label for='answer-id-825' id='answer-label-825' class=' answer'><span>56km<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-251'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u0397 \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2, \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 \u03c4\u03c9\u03bd x, \u03b5\u03af\u03bd\u03b1\u03b9: <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-9702f846998ab1921033bc196ac96b7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#120;&#61;&#45;&#51;&#48;&#109;&#43;&#40;&#49;&#53;&#109;&#47;&#115;&#41;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"164\" style=\"vertical-align: -4px;\"\/>. \u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_4' value='251' \/><input type='hidden' id='answerType251' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-251[]' id='answer-id-757' class='answer   answerof-251 watupro_max_selections-3' value='757'  onclick='return WatuPRO.maxSelections(251,3, this);' \/><label for='answer-id-757' id='answer-label-757' class=' answer'><span>\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-251[]' id='answer-id-758' class='answer   answerof-251 watupro_max_selections-3' value='758'  onclick='return WatuPRO.maxSelections(251,3, this);' \/><label for='answer-id-758' id='answer-label-758' class=' answer'><span>\u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 0s \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03c9\u03bd \u03b1\u03be\u03cc\u03bd\u03c9\u03bd, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03c3\u03c4\u03bf x=0.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-251[]' id='answer-id-759' class='answer   answerof-251 watupro_max_selections-3' value='759'  onclick='return WatuPRO.maxSelections(251,3, this);' \/><label for='answer-id-759' id='answer-label-759' class=' answer'><span>\u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 2s \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 0.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-251[]' id='answer-id-760' class='answer   answerof-251 watupro_max_selections-3' value='760'  onclick='return WatuPRO.maxSelections(251,3, this);' \/><label for='answer-id-760' id='answer-label-760' class=' answer'><span>\u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 15m\/s \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-252'>\n\t\t\t<div class='question-content'><span class='watupro_num'>5. <\/span>\u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b5 \u03c4\u03b1 \u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03b8\u03ad\u03c3\u03b7\u03c2-\u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u0391,\u0392,\u0393 \u03ba\u03b1\u03b9 \u0394 \u03bc\u03b5 \u03c4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03b5\u03be\u03b9\u03ac\u03c2. (\u039a\u03ac\u03bd\u03b5 \u03ba\u03bb\u03b9\u03ba \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c3\u03bf\u03c5 \u03c3\u03c4\u03b7 \u03b4\u03b5\u03be\u03b9\u03ac \u03c3\u03c4\u03ae\u03bb\u03b7)<br \/>\r\n<br \/>\r\n<div id=\"attachment_3969\" style=\"width: 213px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image11.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3969\" class=\" wp-image-3969\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image11-300x265.jpeg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 4\" width=\"203\" height=\"179\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image11-300x265.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image11-1024x904.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image11.jpeg 1523w\" sizes=\"auto, (max-width: 203px) 100vw, 203px\" \/><\/a><p id=\"caption-attachment-3969\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5<\/p><\/div><br \/>\r\n<br \/>\r\n<span style=\"border-radius: 2px; text-indent: 20px; width: auto; padding: 0px 4px 0px 0px; text-align: center; font: bold 11px\/20px 'Helvetica Neue',Helvetica,sans-serif; color: #ffffff; background: #bd081c  no-repeat scroll 3px 50% \/ 14px 14px; position: absolute; opacity: 1; z-index: 8675309; display: none; cursor: pointer; top: 68px; left: 465px;\">\u039a\u03c1\u03ac\u03c4\u03b1 \u03c4\u03bf<\/span><div class='question-choices'><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_252\"><tr><td class=\"watupro-matrix-left-cell\">\u0391<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable252\" id=\"watuPRODroppableCell761\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-0-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell761', 0);return false;\">\u0391\u03b5\u03c1\u03bf\u03c0\u03bb\u03ac\u03bd\u03bf<!--WTPMD5ce8019105027475a554d6c4587d2c63e--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell761', 1);return false;\">\u03a0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03bf<!--WTPMD5bbf06eceb52fe334bce4806c2b2d23f2--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell761', 2);return false;\">\u0386\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03c2<!--WTPMD537d0a1d9749f0d05581ab5284dd11e51--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell761', 3);return false;\">\u03a7\u03b5\u03bb\u03ce\u03bd\u03b1<!--WTPMD58a634f2ebb0afd3df7542b7bd5448a64--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell761', 4);return false;\">\u0391\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf<!--WTPMD5472af83b416bfadf074f762d4a1fe3d7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-252 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell761\" name=\"matrix-left-761\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0392<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable252\" id=\"watuPRODroppableCell762\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-1-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell762', 0);return false;\">\u0391\u03b5\u03c1\u03bf\u03c0\u03bb\u03ac\u03bd\u03bf<!--WTPMD5ce8019105027475a554d6c4587d2c63e--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell762', 1);return false;\">\u03a0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03bf<!--WTPMD5bbf06eceb52fe334bce4806c2b2d23f2--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell762', 2);return false;\">\u0386\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03c2<!--WTPMD537d0a1d9749f0d05581ab5284dd11e51--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell762', 3);return false;\">\u03a7\u03b5\u03bb\u03ce\u03bd\u03b1<!--WTPMD58a634f2ebb0afd3df7542b7bd5448a64--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell762', 4);return false;\">\u0391\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf<!--WTPMD5472af83b416bfadf074f762d4a1fe3d7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-252 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell762\" name=\"matrix-left-762\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0393<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable252\" id=\"watuPRODroppableCell763\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-2-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell763', 0);return false;\">\u0391\u03b5\u03c1\u03bf\u03c0\u03bb\u03ac\u03bd\u03bf<!--WTPMD5ce8019105027475a554d6c4587d2c63e--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell763', 1);return false;\">\u03a0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03bf<!--WTPMD5bbf06eceb52fe334bce4806c2b2d23f2--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell763', 2);return false;\">\u0386\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03c2<!--WTPMD537d0a1d9749f0d05581ab5284dd11e51--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell763', 3);return false;\">\u03a7\u03b5\u03bb\u03ce\u03bd\u03b1<!--WTPMD58a634f2ebb0afd3df7542b7bd5448a64--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell763', 4);return false;\">\u0391\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf<!--WTPMD5472af83b416bfadf074f762d4a1fe3d7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-252 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell763\" name=\"matrix-left-763\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0394<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable252\" id=\"watuPRODroppableCell764\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-3-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell764', 0);return false;\">\u0391\u03b5\u03c1\u03bf\u03c0\u03bb\u03ac\u03bd\u03bf<!--WTPMD5ce8019105027475a554d6c4587d2c63e--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell764', 1);return false;\">\u03a0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03bf<!--WTPMD5bbf06eceb52fe334bce4806c2b2d23f2--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell764', 2);return false;\">\u0386\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03c2<!--WTPMD537d0a1d9749f0d05581ab5284dd11e51--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell764', 3);return false;\">\u03a7\u03b5\u03bb\u03ce\u03bd\u03b1<!--WTPMD58a634f2ebb0afd3df7542b7bd5448a64--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell764', 4);return false;\">\u0391\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf<!--WTPMD5472af83b416bfadf074f762d4a1fe3d7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-252 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell764\" name=\"matrix-left-764\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u0395<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable252\" id=\"watuPRODroppableCell765\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-4-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell765', 0);return false;\">\u0391\u03b5\u03c1\u03bf\u03c0\u03bb\u03ac\u03bd\u03bf<!--WTPMD5ce8019105027475a554d6c4587d2c63e--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell765', 1);return false;\">\u03a0\u03bf\u03b4\u03ae\u03bb\u03b1\u03c4\u03bf<!--WTPMD5bbf06eceb52fe334bce4806c2b2d23f2--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell765', 2);return false;\">\u0386\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03c2<!--WTPMD537d0a1d9749f0d05581ab5284dd11e51--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell765', 3);return false;\">\u03a7\u03b5\u03bb\u03ce\u03bd\u03b1<!--WTPMD58a634f2ebb0afd3df7542b7bd5448a64--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-4-4\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-4\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell765', 4);return false;\">\u0391\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf<!--WTPMD5472af83b416bfadf074f762d4a1fe3d7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-252 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell765\" name=\"matrix-left-765\" value=\"\"><\/td><\/tr><\/table><\/div><input type='hidden' name='question_id[]' id='qID_5' value='252' \/><input type='hidden' id='answerType252' value='nmatrix'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-253'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u039c\u03af\u03b1 \u03bc\u03c0\u03ac\u03bb\u03b1 \u03c4\u03bf\u03c5 \u03c4\u03ad\u03bd\u03b9\u03c2 \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 20m\/s \u03ba\u03b1\u03b9 \u03ba\u03c4\u03c5\u03c0\u03ac \u03c3\u03c4\u03bf\u03bd \u03c4\u03bf\u03af\u03c7\u03bf \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc 3s. \u039b\u03cc\u03b3\u03c9 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03c1\u03bf\u03cd\u03c3\u03b7, \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c0\u03ac\u03bb\u03b9 \u03c0\u03af\u03c3\u03c9 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 15m\/s. \u039f \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03c0\u03ac\u03bb\u03b1\u03c2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:<br \/>\r\n<br \/>\r\n<div id=\"attachment_3973\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image12.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3973\" class=\"size-medium wp-image-3973\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image12-300x123.jpeg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5\" width=\"300\" height=\"123\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image12-300x123.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image12-1024x419.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image12.jpeg 1646w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-3973\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_6' value='253' \/><input type='hidden' id='answerType253' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-253[]' id='answer-id-766' class='answer   answerof-253 ' value='766'   \/><label for='answer-id-766' id='answer-label-766' class=' answer'><span>3s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-253[]' id='answer-id-767' class='answer   answerof-253 ' value='767'   \/><label for='answer-id-767' id='answer-label-767' class=' answer'><span>4s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-253[]' id='answer-id-768' class='answer   answerof-253 ' value='768'   \/><label for='answer-id-768' id='answer-label-768' class=' answer'><span>5s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-253[]' id='answer-id-769' class='answer   answerof-253 ' value='769'   \/><label for='answer-id-769' id='answer-label-769' class=' answer'><span>6s<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-254'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>\u0395\u03c0\u03ad\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b8\u03ad\u03c3\u03b7\u03c2 - \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03bf\u03cd.<br \/>\r\n<br \/>\r\n<div id=\"attachment_3974\" style=\"width: 257px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image13.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3974\" class=\" wp-image-3974\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image13-300x268.jpeg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6\" width=\"247\" height=\"221\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image13-300x268.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image13-1024x915.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/09\/image13.jpeg 1502w\" sizes=\"auto, (max-width: 247px) 100vw, 247px\" \/><\/a><p id=\"caption-attachment-3974\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 7<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_7' value='254' \/><input type='hidden' id='answerType254' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-254[]' id='answer-id-770' class='answer   answerof-254 watupro_max_selections-2' value='770'  onclick='return WatuPRO.maxSelections(254,2, this);' \/><label for='answer-id-770' id='answer-label-770' class=' answer'><span>\u0397 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-254[]' id='answer-id-771' class='answer   answerof-254 watupro_max_selections-2' value='771'  onclick='return WatuPRO.maxSelections(254,2, this);' \/><label for='answer-id-771' id='answer-label-771' class=' answer'><span>\u0397 \u03bc\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03bf\u03cd \u03c3\u03c4\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 10s \u03b5\u03af\u03bd\u03b1\u03b9 25m.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-254[]' id='answer-id-772' class='answer   answerof-254 watupro_max_selections-2' value='772'  onclick='return WatuPRO.maxSelections(254,2, this);' \/><label for='answer-id-772' id='answer-label-772' class=' answer'><span>\u0397 \u03ba\u03bb\u03af\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 2,5m\/s.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-254[]' id='answer-id-773' class='answer   answerof-254 watupro_max_selections-2' value='773'  onclick='return WatuPRO.maxSelections(254,2, this);' \/><label for='answer-id-773' id='answer-label-773' class=' answer'><span>\u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03ba\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 4m\/s. <\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-255'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u0388\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 30m\/s. \u0391\u03bd \u03b7 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03b4\u03c1\u03bf\u03bc\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 25m\/s, \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_8' value='255' \/><input type='hidden' id='answerType255' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-255[]' id='answer-id-774' class='answer   answerof-255 ' value='774'   \/><label for='answer-id-774' id='answer-label-774' class=' answer'><span>\u0395\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ae.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-255[]' id='answer-id-775' class='answer   answerof-255 ' value='775'   \/><label for='answer-id-775' id='answer-label-775' class=' answer'><span>\u0395\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-255[]' id='answer-id-776' class='answer   answerof-255 ' value='776'   \/><label for='answer-id-776' id='answer-label-776' class=' answer'><span>\u0395\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-255[]' id='answer-id-777' class='answer   answerof-255 ' value='777'   \/><label for='answer-id-777' id='answer-label-777' class=' answer'><span>\u0395\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b1\u03bb\u03bb\u03cc\u03bc\u03b5\u03bd\u03b7.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-256'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u03a0\u03b5\u03c1\u03b9\u03c0\u03bf\u03bb\u03b9\u03ba\u03cc \u03c4\u03b7\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b1\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03b4\u03af\u03c0\u03bb\u03b1 \u03b5\u03bd\u03ce \u03b5\u03c3\u03cd \u03c4\u03c1\u03ad\u03c7\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03cc \u03c3\u03bf\u03c5 \u03c3\u03c4\u03b7\u03bd \u03b5\u03b8\u03bd\u03b9\u03ba\u03ae \u03bf\u03b4\u03cc. \u03a4\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c0\u03bf\u03c5 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03bf\u03bb\u03b9\u03ba\u03cc \u03c3\u03b5 \u03c0\u03c1\u03bf\u03c3\u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9.<\/div><input type='hidden' name='question_id[]' id='qID_9' value='256' \/><input type='hidden' id='answerType256' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-256[]' id='answer-id-778' class='answer   answerof-256 ' value='778'   \/><label for='answer-id-778' id='answer-label-778' class=' answer'><span>\u03a4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03cc \u03c3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03bf\u03bb\u03b9\u03ba\u03cc \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-256[]' id='answer-id-779' class='answer   answerof-256 ' value='779'   \/><label for='answer-id-779' id='answer-label-779' class=' answer'><span>\u0397 \u03b8\u03ad\u03c3\u03b7 x \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03c0\u03bf\u03bb\u03b9\u03ba\u03bf\u03cd \u03ba\u03b1\u03c4\u03ac \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03c1\u03cc\u03bc\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03b4\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 x \u03c4\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5 \u03c3\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-256[]' id='answer-id-780' class='answer   answerof-256 ' value='780'   \/><label for='answer-id-780' id='answer-label-780' class=' answer'><span>\u03a4\u03b1 \u03b4\u03cd\u03bf \u03bf\u03c7\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-256[]' id='answer-id-781' class='answer   answerof-256 ' value='781'   \/><label for='answer-id-781' id='answer-label-781' class=' answer'><span>\u03a4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03cc \u03c3\u03bf\u03c5 \u03c4\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03bf\u03bb\u03b9\u03ba\u03cc.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-257'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u0388\u03bd\u03b1 \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 \u03c4\u03c9\u03bd x, \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03b1\u03c0\u03cc 80km\/h \u03c3\u03b5 60km\/h, \u03b5\u03bd\u03ce \u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 x \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9. \u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_10' value='257' \/><input type='hidden' id='answerType257' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-257[]' id='answer-id-782' class='answer   answerof-257 watupro_max_selections-2' value='782'  onclick='return WatuPRO.maxSelections(257,2, this);' \/><label for='answer-id-782' id='answer-label-782' class=' answer'><span>\u0397 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf +x.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-257[]' id='answer-id-783' class='answer   answerof-257 watupro_max_selections-2' value='783'  onclick='return WatuPRO.maxSelections(257,2, this);' \/><label for='answer-id-783' id='answer-label-783' class=' answer'><span>\u0397 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-257[]' id='answer-id-784' class='answer   answerof-257 watupro_max_selections-2' value='784'  onclick='return WatuPRO.maxSelections(257,2, this);' \/><label for='answer-id-784' id='answer-label-784' class=' answer'><span>\u0397 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-257[]' id='answer-id-785' class='answer   answerof-257 watupro_max_selections-2' value='785'  onclick='return WatuPRO.maxSelections(257,2, this);' \/><label for='answer-id-785' id='answer-label-785' class=' answer'><span>\u0394\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-11' style=';'><div id='questionWrap-11'  class='   watupro-question-id-259'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>\u0388\u03bd\u03b1 \u03ac\u03bb\u03bf\u03b3\u03bf \u03ba\u03bf\u03cd\u03c1\u03c3\u03b1\u03c2 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c6\u03b5\u03c4\u03b7\u03c1\u03af\u03b1 \u03c4\u03bf\u03c5 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 3m\/s<sup>2<\/sup>. \u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<br \/>\r\n<br \/>\r\n<div id=\"attachment_3977\" style=\"width: 378px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3977\" class=\" wp-image-3977\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image-300x120.jpeg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 10\" width=\"368\" height=\"147\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image-300x120.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image-1024x411.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image.jpeg 1528w\" sizes=\"auto, (max-width: 368px) 100vw, 368px\" \/><\/a><p id=\"caption-attachment-3977\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 11<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_11' value='259' \/><input type='hidden' id='answerType259' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-259[]' id='answer-id-786' class='answer   answerof-259 watupro_max_selections-2' value='786'  onclick='return WatuPRO.maxSelections(259,2, this);' \/><label for='answer-id-786' id='answer-label-786' class=' answer'><span>\u03a4\u03bf \u03ac\u03bb\u03bf\u03b3\u03bf \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac 3m\/s \u03ba\u03ac\u03b8\u03b5 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf, \u03b1\u03c0\u03cc 0m\/s \u03c3\u03b5 3m\/s \u03c3\u03b5 6m\/s \u03c3\u03b5 9m\/s.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-259[]' id='answer-id-787' class='answer   answerof-259 watupro_max_selections-2' value='787'  onclick='return WatuPRO.maxSelections(259,2, this);' \/><label for='answer-id-787' id='answer-label-787' class=' answer'><span>\u03a4\u03bf \u03ac\u03bb\u03bf\u03b3\u03bf \u03c4\u03c1\u03b9\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03ba\u03ac\u03b8\u03b5 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf. \u03b1\u03c0\u03cc 0m\/s \u03c3\u03b5 3m\/s \u03c3\u03b5 9m\/s \u03c3\u03b5 27m\/s.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-259[]' id='answer-id-788' class='answer   answerof-259 watupro_max_selections-2' value='788'  onclick='return WatuPRO.maxSelections(259,2, this);' \/><label for='answer-id-788' id='answer-label-788' class=' answer'><span>\u039e\u03b5\u03ba\u03b9\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b7\u03c1\u03b5\u03bc\u03af\u03b1, \u03c4\u03bf \u03ac\u03bb\u03bf\u03b3\u03bf \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 3m \u03c3\u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-259[]' id='answer-id-789' class='answer   answerof-259 watupro_max_selections-2' value='789'  onclick='return WatuPRO.maxSelections(259,2, this);' \/><label for='answer-id-789' id='answer-label-789' class=' answer'><span>\u039e\u03b5\u03ba\u03b9\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b7\u03c1\u03b5\u03bc\u03af\u03b1, \u03c4\u03bf \u03ac\u03bb\u03bf\u03b3\u03bf \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 1,5m \u03c3\u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-12' style=';'><div id='questionWrap-12'  class='   watupro-question-id-260'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>\u03a3\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5<sub>0<\/sub> \u03ba\u03b1\u03b9 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5 \u03b5\u03c0\u03ad\u03bb\u03b5\u03be\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03b5\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac \u03c4\u03b7 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1.<\/div><input type='hidden' name='question_id[]' id='qID_12' value='260' \/><input type='hidden' id='answerType260' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-260[]' id='answer-id-790' class='answer   answerof-260 ' value='790'   \/><label for='answer-id-790' id='answer-label-790' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-c19e6cabe54f41c1ba8baf2495968949_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#118;&#95;&#123;&#92;&#109;&#117;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#118;&#95;&#48;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"29\" width=\"53\" style=\"vertical-align: -11px;\"\/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-260[]' id='answer-id-791' class='answer   answerof-260 ' value='791'   \/><label for='answer-id-791' id='answer-label-791' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-b5ef5551381771f9de10c612830760b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#118;&#95;&#123;&#92;&#109;&#117;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#118;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"29\" width=\"47\" style=\"vertical-align: -11px;\"\/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-260[]' id='answer-id-792' class='answer   answerof-260 ' value='792'   \/><label for='answer-id-792' id='answer-label-792' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-63cdcdb8cef4e75922464896d87343b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#118;&#95;&#123;&#92;&#109;&#117;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#118;&#45;&#118;&#95;&#48;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"29\" width=\"80\" style=\"vertical-align: -11px;\"\/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-260[]' id='answer-id-793' class='answer   answerof-260 ' value='793'   \/><label for='answer-id-793' id='answer-label-793' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-c1195164cf65f2472e226adf72179d9c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#118;&#95;&#123;&#92;&#109;&#117;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#118;&#43;&#118;&#95;&#48;&#125;&#123;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"31\" width=\"80\" style=\"vertical-align: -11px;\"\/><\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-13' style=';'><div id='questionWrap-13'  class='   watupro-question-id-269'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>\u0388\u03bd\u03b1 \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03ad\u03c7\u03b5\u03b9 \u03c7\u03b1\u03bb\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03c4\u03bf \u03c4\u03b1\u03c7\u03cd\u03bc\u03b5\u03c4\u03c1\u03cc \u03c4\u03bf\u03c5. \u039e\u03b5\u03ba\u03af\u03bd\u03b7\u03c3\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b7\u03c1\u03b5\u03bc\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7, \u03b4\u03b9\u03ac\u03bd\u03c5\u03c3\u03b5 1\/10km \u03c3\u03b5 10 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03b1. \u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf \u03c4\u03ad\u03bb\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_13' value='269' \/><input type='hidden' id='answerType269' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-269[]' id='answer-id-826' class='answer   answerof-269 ' value='826'   \/><label for='answer-id-826' id='answer-label-826' class=' answer'><span>24km\/h<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-269[]' id='answer-id-827' class='answer   answerof-269 ' value='827'   \/><label for='answer-id-827' id='answer-label-827' class=' answer'><span>48km\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-269[]' id='answer-id-828' class='answer   answerof-269 ' value='828'   \/><label for='answer-id-828' id='answer-label-828' class=' answer'><span>72km\/h<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-269[]' id='answer-id-829' class='answer   answerof-269 ' value='829'   \/><label for='answer-id-829' id='answer-label-829' class=' answer'><span>90km\/h<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-14' style=';'><div id='questionWrap-14'  class='   watupro-question-id-261'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2-\u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2.<br \/>\r\n<br \/>\r\n<div id=\"attachment_3979\" style=\"width: 269px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image2.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3979\" class=\" wp-image-3979\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image2-300x266.jpeg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 12\" width=\"259\" height=\"230\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image2-300x266.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image2-1024x909.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image2.jpeg 1395w\" sizes=\"auto, (max-width: 259px) 100vw, 259px\" \/><\/a><p id=\"caption-attachment-3979\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 14<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_14' value='261' \/><input type='hidden' id='answerType261' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-261[]' id='answer-id-794' class='answer   answerof-261 watupro_max_selections-2' value='794'  onclick='return WatuPRO.maxSelections(261,2, this);' \/><label for='answer-id-794' id='answer-label-794' class=' answer'><span>\u03a3\u03c4\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 4s \u03b7 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b5\u03c0\u03cc\u03bc\u03b5\u03bd\u03b1 4s \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-261[]' id='answer-id-795' class='answer   answerof-261 watupro_max_selections-2' value='795'  onclick='return WatuPRO.maxSelections(261,2, this);' \/><label for='answer-id-795' id='answer-label-795' class=' answer'><span>\u03a3\u03c4\u03bf 5o \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03b7\u03bc\u03ad\u03bd\u03bf.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-261[]' id='answer-id-796' class='answer   answerof-261 watupro_max_selections-2' value='796'  onclick='return WatuPRO.maxSelections(261,2, this);' \/><label for='answer-id-796' id='answer-label-796' class=' answer'><span>\u03a3\u03c4\u03bf 2\u03bf \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf \u03b7 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 5m\/s<sup>2<\/sup>.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-261[]' id='answer-id-797' class='answer   answerof-261 watupro_max_selections-2' value='797'  onclick='return WatuPRO.maxSelections(261,2, this);' \/><label for='answer-id-797' id='answer-label-797' class=' answer'><span>\u0397 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03bc\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 200m<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-15' style=';'><div id='questionWrap-15'  class='   watupro-question-id-262'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7\u03c2-\u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b7\u03c1\u03b5\u03bc\u03af\u03b1 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03c3\u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 x;<br \/>\r\n<br \/>\r\n<div id=\"attachment_3980\" style=\"width: 250px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image3.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3980\" class=\"wp-image-3980\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image3-269x300.jpeg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 13\" width=\"240\" height=\"268\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image3-269x300.jpeg 269w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image3-917x1024.jpeg 917w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image3.jpeg 1179w\" sizes=\"auto, (max-width: 240px) 100vw, 240px\" \/><\/a><p id=\"caption-attachment-3980\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 15<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_15' value='262' \/><input type='hidden' id='answerType262' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-262[]' id='answer-id-798' class='answer   answerof-262 watupro_max_selections-2' value='798'  onclick='return WatuPRO.maxSelections(262,2, this);' \/><label for='answer-id-798' id='answer-label-798' class=' answer'><span>\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c3\u03b5 \u03cc\u03bb\u03b7 \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03c9\u03bd 22s \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd +x \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7. <\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-262[]' id='answer-id-799' class='answer   answerof-262 watupro_max_selections-2' value='799'  onclick='return WatuPRO.maxSelections(262,2, this);' \/><label for='answer-id-799' id='answer-label-799' class=' answer'><span>\u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 8s \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-262[]' id='answer-id-800' class='answer   answerof-262 watupro_max_selections-2' value='800'  onclick='return WatuPRO.maxSelections(262,2, this);' \/><label for='answer-id-800' id='answer-label-800' class=' answer'><span>\u0391\u03c0\u03cc \u03c4\u03bf 16s \u03ad\u03c9\u03c2 22s \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf -x.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-262[]' id='answer-id-801' class='answer   answerof-262 watupro_max_selections-2' value='801'  onclick='return WatuPRO.maxSelections(262,2, this);' \/><label for='answer-id-801' id='answer-label-801' class=' answer'><span>\u0397 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf 10\u03bf \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03c3\u03c4\u03bf 20\u03bf.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-16' style=';'><div id='questionWrap-16'  class='   watupro-question-id-263'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>16. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b8\u03ad\u03c3\u03b7\u03c2 - \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b5\u03bd\u03bf\u03c2 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 \u03c4\u03c9\u03bd x.<br \/>\r\n<br \/>\r\n<div id=\"attachment_3981\" style=\"width: 243px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image4.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3981\" class=\" wp-image-3981\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image4-300x269.jpeg\" alt=\"\u0395\u03c1'\u03c9\u03c4\u03b7\u03c3\u03b7 14\" width=\"233\" height=\"209\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image4-300x269.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image4-1024x919.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image4.jpeg 1495w\" sizes=\"auto, (max-width: 233px) 100vw, 233px\" \/><\/a><p id=\"caption-attachment-3981\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 16<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_16' value='263' \/><input type='hidden' id='answerType263' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-263[]' id='answer-id-802' class='answer   answerof-263 watupro_max_selections-3' value='802'  onclick='return WatuPRO.maxSelections(263,3, this);' \/><label for='answer-id-802' id='answer-label-802' class=' answer'><span>\u0397 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b7\u03b4\u03ad\u03bd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-263[]' id='answer-id-803' class='answer   answerof-263 watupro_max_selections-3' value='803'  onclick='return WatuPRO.maxSelections(263,3, this);' \/><label for='answer-id-803' id='answer-label-803' class=' answer'><span>\u0397 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03ae \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 10m\/s.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-263[]' id='answer-id-804' class='answer   answerof-263 watupro_max_selections-3' value='804'  onclick='return WatuPRO.maxSelections(263,3, this);' \/><label for='answer-id-804' id='answer-label-804' class=' answer'><span>\u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 5s \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-263[]' id='answer-id-805' class='answer   answerof-263 watupro_max_selections-3' value='805'  onclick='return WatuPRO.maxSelections(263,3, this);' \/><label for='answer-id-805' id='answer-label-805' class=' answer'><span>\u039c\u03b5\u03c4\u03ac \u03c4\u03b1 8s \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-17' style=';'><div id='questionWrap-17'  class='   watupro-question-id-264'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>17. <\/span>\u03a3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\u03bf \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03cc \u03c0\u03b5\u03b4\u03af\u03bf \u03c0\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c3\u03b4\u03af\u03b4\u03b5\u03b9 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 3\u00b710<sup>8<\/sup>m\/s<sup>2<\/sup>. \u0391\u03bd \u03c4\u03bf \u03c3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\u03bf \u03ba\u03c4\u03c5\u03c0\u03ac\u03b5\u03b9 \u03c4\u03bf \u03c3\u03c4\u03cc\u03c7\u03bf \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 9\u00b710<sup>5<\/sup>m\/s, \u03c3\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf 10<sup>-3<\/sup> s \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03c0\u03bf\u03c5 \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03c4\u03b7\u03ba\u03b5, \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03c4\u03b7\u03ba\u03b5 \u03c4\u03bf \u03c3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\u03bf \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03ba\u03c4\u03cc\u03be\u03b5\u03c5\u03c3\u03b7\u03c2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1:<br \/>\r\n<br \/>\r\n<div id=\"attachment_3982\" style=\"width: 259px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image5.jpeg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3982\" class=\" wp-image-3982\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image5-300x140.jpeg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 15\" width=\"249\" height=\"116\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image5-300x140.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image5-1024x478.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/10\/image5.jpeg 1739w\" sizes=\"auto, (max-width: 249px) 100vw, 249px\" \/><\/a><p id=\"caption-attachment-3982\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 17<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_17' value='264' \/><input type='hidden' id='answerType264' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-264[]' id='answer-id-806' class='answer   answerof-264 ' value='806'   \/><label for='answer-id-806' id='answer-label-806' class=' answer'><span>6000m\/s \u03ba\u03b1\u03b9 75m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-264[]' id='answer-id-807' class='answer   answerof-264 ' value='807'   \/><label for='answer-id-807' id='answer-label-807' class=' answer'><span>3000m\/s \u03ba\u03b1\u03b9 150m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-264[]' id='answer-id-808' class='answer   answerof-264 ' value='808'   \/><label for='answer-id-808' id='answer-label-808' class=' answer'><span>4\u00b710<sup>5<\/sup>m\/s \u03ba\u03b1\u03b9 7500m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-264[]' id='answer-id-809' class='answer   answerof-264 ' value='809'   \/><label for='answer-id-809' id='answer-label-809' class=' answer'><span>6\u00b710<sup>5<\/sup>m\/s \u03ba\u03b1\u03b9 750m<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-18' style=';'><div id='questionWrap-18'  class='   watupro-question-id-265'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>18. <\/span>\u0397 \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03b5\u03bd\u03cc\u03c2\u00a0\u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-639dd7902dd862ab9aa7d5f72a99e3bf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#120;&#61;&#50;&#52;&#109;&#43;&#40;&#54;&#109;&#47;&#115;&#41;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#116;&#45;&#40;&#51;&#109;&#47;&#115;&#94;&#50;&#41;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#116;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"242\" style=\"vertical-align: -4px;\"\/>. \u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03ae \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_18' value='265' \/><input type='hidden' id='answerType265' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-265[]' id='answer-id-810' class='answer   answerof-265 watupro_max_selections-3' value='810'  onclick='return WatuPRO.maxSelections(265,3, this);' \/><label for='answer-id-810' id='answer-label-810' class=' answer'><span>\u0397 \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-821e69ef8edd3442ddd2125d7ee729e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#32;&#118;&#61;&#40;&#54;&#109;&#47;&#115;&#41;&#45;&#40;&#54;&#109;&#47;&#115;&#94;&#50;&#41;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"170\" style=\"vertical-align: -4px;\"\/>.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-265[]' id='answer-id-811' class='answer   answerof-265 watupro_max_selections-3' value='811'  onclick='return WatuPRO.maxSelections(265,3, this);' \/><label for='answer-id-811' id='answer-label-811' class=' answer'><span>\u03a3\u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac\u03b5\u03b9 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03b1\u03af\u03b1 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03cc\u03c0\u03b9\u03bd \u03b1\u03bb\u03bb\u03ac\u03b6\u03b5\u03b9 \u03c6\u03bf\u03c1\u03ac \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-265[]' id='answer-id-812' class='answer   answerof-265 watupro_max_selections-3' value='812'  onclick='return WatuPRO.maxSelections(265,3, this);' \/><label for='answer-id-812' id='answer-label-812' class=' answer'><span>\u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 4s \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03bc\u03b7\u03b4\u03ad\u03bd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-265[]' id='answer-id-813' class='answer   answerof-265 watupro_max_selections-3' value='813'  onclick='return WatuPRO.maxSelections(265,3, this);' \/><label for='answer-id-813' id='answer-label-813' class=' answer'><span>\u038c\u03c4\u03b1\u03bd \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac\u03b5\u03b9 \u03c3\u03c4\u03b9\u03b3\u03bc\u03b9\u03b1\u03af\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03c4\u03b1\u03c4\u03bf\u03c0\u03b9\u03c3\u03c4\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac 6m.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-19' style=';'><div id='questionWrap-19'  class='   watupro-question-id-266'>\n\t\t\t<div class='question-content'><span class='watupro_num'>19. <\/span>\u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03be\u03b9\u03c3\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ae\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03b5\u03af\u03b4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03b3\u03c1\u03ac\u03c6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03b5\u03be\u03b9\u03ac. \u0394\u03ad\u03be\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae\u03c2 \u03c6\u03bf\u03c1\u03ac\u03c2. (\u039a\u03ac\u03bd\u03b5 \u03ba\u03bb\u03b9\u03ba \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c3\u03bf\u03c5 \u03c3\u03c4\u03b7 \u03b4\u03b5\u03be\u03b9\u03ac \u03c3\u03c4\u03ae\u03bb\u03b7)<div class='question-choices'><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_266\"><tr><td class=\"watupro-matrix-left-cell\">\u03c5=(20m\/s)-(5m\/s<sup>2<\/sup>)\u00b7t<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable266\" id=\"watuPRODroppableCell814\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-0-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell814', 0);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell814', 1);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell814', 2);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-0-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell814', 3);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-266 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell814\" name=\"matrix-left-814\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">x=(15m)-(10m\/s)\u00b7t-(4m\/s<sup>2<\/sup>)\u00b7t<sup>2<\/sup><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable266\" id=\"watuPRODroppableCell815\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-1-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell815', 0);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell815', 1);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell815', 2);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-1-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell815', 3);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-266 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell815\" name=\"matrix-left-815\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u03c5=-(20m\/s)-(5m\/s<sup>2<\/sup>)\u00b7t<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable266\" id=\"watuPRODroppableCell816\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-2-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell816', 0);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell816', 1);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell816', 2);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-2-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell816', 3);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-266 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell816\" name=\"matrix-left-816\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">x=(15m)-(10m\/s)\u00b7t+(4m\/s<sup>2<\/sup>)\u00b7t<sup>2<\/sup><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable266\" id=\"watuPRODroppableCell817\"><div class='question-choices'><div class=\"watupro-matrix-right\"><div id=\"watuproNMatrixSelection-3-0\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-0\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell817', 0);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-1\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-1\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell817', 1);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD50b022c5709488e19e45f6bfec2be207f--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-2\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-2\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell817', 2);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><div id=\"watuproNMatrixSelection-3-3\" class=\" watupro-matrix-draggable watupro-nmatrix-answer-3\" onclick=\"WatuPROINMatrix.sel(this, 'watuPRODroppableCell817', 3);return false;\">\u039f\u03bc\u03b1\u03bb\u03ac \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03c5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7<!--WTPMD534c64bc7b2869b6787302476ed93c136--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-266 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell817\" name=\"matrix-left-817\" value=\"\"><\/td><\/tr><\/table><\/div><input type='hidden' name='question_id[]' id='qID_19' value='266' \/><input type='hidden' id='answerType266' value='nmatrix'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-20' style=';'><div id='questionWrap-20'  class='   watupro-question-id-267'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>20. <\/span>\u0391\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03bc\u03c0\u03c1\u03bf\u03c3\u03c4\u03ac \u03b1\u03c0\u03cc \u03bc\u03bf\u03c4\u03bf\u03c3\u03c5\u03ba\u03bb\u03b5\u03c4\u03b9\u03c3\u03c4\u03ae \u03c4\u03b7\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b1\u03af\u03b1\u03c2 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 30m\/s \u03c0\u03b1\u03c1\u03b1\u03b2\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03cc\u03c1\u03b9\u03bf \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2. \u039c\u03cc\u03bb\u03b9\u03c2 \u03b1\u03bd\u03c4\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c4\u03b7\u03bd \u03cd\u03c0\u03b1\u03c1\u03be\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03bf\u03c7\u03bf\u03bd\u03cc\u03bc\u03bf\u03c5 \u03bf \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03cd\u03bd\u03b5\u03b9 \u03bc\u03b5 4m\/s<sup>2<\/sup>, \u03b5\u03bd\u03ce \u03bf \u03c4\u03c1\u03bf\u03c7\u03bf\u03bd\u03cc\u03bc\u03bf\u03c2 \u03be\u03b5\u03ba\u03b9\u03bd\u03ac \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 6m\/s<sup>2<\/sup> \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf. \u03a0\u03bf\u03b9\u03b1 \u03ae \u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b7 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_20' value='267' \/><input type='hidden' id='answerType267' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-267[]' id='answer-id-818' class='answer   answerof-267 watupro_max_selections-2' value='818'  onclick='return WatuPRO.maxSelections(267,2, this);' \/><label for='answer-id-818' id='answer-label-818' class=' answer'><span>\u039f \u03c4\u03c1\u03bf\u03c7\u03bf\u03bd\u03cc\u03bc\u03bf\u03c2 \u03b4\u03b5 \u03b8\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c0\u03bf\u03c4\u03ad \u03c4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-267[]' id='answer-id-819' class='answer   answerof-267 watupro_max_selections-2' value='819'  onclick='return WatuPRO.maxSelections(267,2, this);' \/><label for='answer-id-819' id='answer-label-819' class=' answer'><span>\u039f \u03c4\u03c1\u03bf\u03c7\u03bf\u03bd\u03bf\u03bc\u03bf\u03c2 \u03b8\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c3\u03c4\u03b1 108m \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03ba\u03ba\u03af\u03bd\u03b7\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-267[]' id='answer-id-820' class='answer   answerof-267 watupro_max_selections-2' value='820'  onclick='return WatuPRO.maxSelections(267,2, this);' \/><label for='answer-id-820' id='answer-label-820' class=' answer'><span>\u039f \u03c4\u03c1\u03bf\u03c7\u03bf\u03bd\u03cc\u03bc\u03bf\u03c2 \u03b8\u03b1 \u03c6\u03c4\u03ac\u03c3\u03b5\u03b9 \u03c4\u03bf 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