{"id":6314,"date":"2018-03-27T20:53:38","date_gmt":"2018-03-27T17:53:38","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=6314"},"modified":"2018-03-27T20:59:38","modified_gmt":"2018-03-27T17:59:38","slug":"1%ce%bf-%ce%ba%cf%81%ce%b9%cf%84%ce%ae%cf%81%ce%b9%ce%bf-online-a-%ce%bb%cf%85%ce%ba%ce%b5%ce%af%ce%bf%cf%85","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=6314","title":{"rendered":"1\u03bf \u039a\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03bf Online A \u039b\u03c5\u03ba\u03b5\u03af\u03bf\u03c5"},"content":{"rendered":"<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=\"submittingExam35\" 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-35\"><p>\u03a4\u03bf \u03ba\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03bf \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 20 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03bd\u03c4\u03b9\u03ce\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \"\u03ba\u03bb\u03b9\u03ba\", \u03c3\u03b5 \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03cd\u03bb\u03b7 \u03c4\u03b7\u03c2 \u0391 \u039b\u03c5\u03ba\u03b5\u03af\u03bf\u03c5. \u039a\u03ac\u03b8\u03b5 \u03b5\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 1 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b1.<\/p>\n<p>\u039c\u03cc\u03bb\u03b9\u03c2 \u03c4\u03b9\u03c2 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c0\u03ac\u03c4\u03b7\u03c3\u03b5 \u03c4\u03bf \"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\" \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03b4\u03b5\u03b9\u03c2 \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c3\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n<p><em>\u039d\u03b1 \u03c0\u03b1\u03af\u03c1\u03bd\u03b5\u03b9\u03c2 g=10m\/s<sup>2<\/sup>.<\/em><\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-35\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-400'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>\u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2. \u0388\u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c6\u03bf\u03c1\u03ac. \u03a4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 3s \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 8m \u03b5\u03bd\u03ce \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 9s \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 -4m.<\/div><input type='hidden' name='question_id[]' id='qID_1' value='400' \/><input type='hidden' id='answerType400' 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-400[]' id='answer-id-1203' class='answer   answerof-400 watupro_max_selections-2' value='1203'  onclick='return WatuPRO.maxSelections(400,2, this);' \/><label for='answer-id-1203' id='answer-label-1203' class=' answer'><span>\u0397 \u03bc\u03b5\u03c4\u03b1\u03c4\u03cc\u03c0\u03b9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 -12m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-400[]' id='answer-id-1204' class='answer   answerof-400 watupro_max_selections-2' value='1204'  onclick='return WatuPRO.maxSelections(400,2, this);' \/><label for='answer-id-1204' id='answer-label-1204' class=' answer'><span>\u03a4\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 4m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-400[]' id='answer-id-1205' class='answer   answerof-400 watupro_max_selections-2' value='1205'  onclick='return WatuPRO.maxSelections(400,2, this);' \/><label for='answer-id-1205' id='answer-label-1205' class=' answer'><span>\u0397 \u03bc\u03ad\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 2m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-400[]' id='answer-id-1206' class='answer   answerof-400 watupro_max_selections-2' value='1206'  onclick='return WatuPRO.maxSelections(400,2, this);' \/><label for='answer-id-1206' id='answer-label-1206' class=' answer'><span>\u03a4\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac<\/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-401'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>\u0397 \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03b4\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 x=(80m)-(20m\/s)\u00b7t \u03c3\u03c4\u03bf S.I. \u03a0\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\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_2' value='401' \/><input type='hidden' id='answerType401' 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-401[]' id='answer-id-1207' class='answer   answerof-401 watupro_max_selections-3' value='1207'  onclick='return WatuPRO.maxSelections(401,3, this);' \/><label for='answer-id-1207' id='answer-label-1207' class=' answer'><span>\u0397 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03b4\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 80m.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-401[]' id='answer-id-1208' class='answer   answerof-401 watupro_max_selections-3' value='1208'  onclick='return WatuPRO.maxSelections(401,3, this);' \/><label for='answer-id-1208' id='answer-label-1208' class=' answer'><span>\u03a4\u03bf \u03c3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\u03bf \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03bf\u03c5 \u03ac\u03be\u03bf\u03bd\u03b1 x \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 4s.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-401[]' id='answer-id-1209' class='answer   answerof-401 watupro_max_selections-3' value='1209'  onclick='return WatuPRO.maxSelections(401,3, this);' \/><label for='answer-id-1209' id='answer-label-1209' class=' answer'><span>\u03a4\u03bf \u03c3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\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 20m\/s \u03ba\u03ac\u03b8\u03b5 \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-401[]' id='answer-id-1210' class='answer   answerof-401 watupro_max_selections-3' value='1210'  onclick='return WatuPRO.maxSelections(401,3, this);' \/><label for='answer-id-1210' id='answer-label-1210' class=' answer'><span>\u03a4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 8s \u03c4\u03bf \u03c3\u03c9\u03bc\u03b1\u03c4\u03af\u03b4\u03b9\u03bf \u03b8\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b8\u03ad\u03c3\u03b7 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03bf\u03c5 \u03ac\u03be\u03bf\u03bd\u03b1 x.<\/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-402'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u0388\u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc, \u03ba\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1, \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. \u0391\u03bd \u03c4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 0s \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03ae\u03c4\u03b1\u03bd 5m\/s, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc:<\/div><input type='hidden' name='question_id[]' id='qID_3' value='402' \/><input type='hidden' id='answerType402' 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-402[]' id='answer-id-1211' class='answer   answerof-402 watupro_max_selections-2' value='1211'  onclick='return WatuPRO.maxSelections(402,2, this);' \/><label for='answer-id-1211' id='answer-label-1211' class=' answer'><span>\u0395\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-402[]' id='answer-id-1212' class='answer   answerof-402 watupro_max_selections-2' value='1212'  onclick='return WatuPRO.maxSelections(402,2, this);' \/><label for='answer-id-1212' id='answer-label-1212' class=' answer'><span>\u0395\u03c0\u03b9\u03c4\u03b1\u03c7\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 3m\/s<sup>2<\/sup>.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-402[]' id='answer-id-1213' class='answer   answerof-402 watupro_max_selections-2' value='1213'  onclick='return WatuPRO.maxSelections(402,2, this);' \/><label for='answer-id-1213' id='answer-label-1213' class=' answer'><span>\u039a\u03ac\u03b8\u03b5 \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf \u03b4\u03b9\u03b1\u03bd\u03cd\u03b5\u03b9 3m.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-402[]' id='answer-id-1214' class='answer   answerof-402 watupro_max_selections-2' value='1214'  onclick='return WatuPRO.maxSelections(402,2, this);' \/><label for='answer-id-1214' id='answer-label-1214' class=' answer'><span>\u03a4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 2s \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 11m\/s.<\/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-403'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u03a4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ae \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b4\u03cd\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03ce\u03bd \u0391 \u03ba\u03b1\u03b9 \u0392, \u03c4\u03b1 \u03bf\u03c0\u03b1\u03af\u03b1 \u03be\u03b5\u03ba\u03b9\u03bd\u03bf\u03cd\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b8\u03ad\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1. \u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c0\u03c1\u03cc\u03c4\u03b1\u03c3\u03b7.<br \/>\r\n<br \/>\r\n<div id=\"attachment_6321\" style=\"width: 316px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6321\" class=\" wp-image-6321\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-300x278.jpeg\" alt=\"\" width=\"306\" height=\"284\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-300x278.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-768x711.jpeg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-1024x948.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image.jpeg 1153w\" sizes=\"auto, (max-width: 306px) 100vw, 306px\" \/><p id=\"caption-attachment-6321\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 4<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_4' value='403' \/><input type='hidden' id='answerType403' 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-403[]' id='answer-id-1215' class='answer   answerof-403 watupro_max_selections-1' value='1215'  onclick='return WatuPRO.maxSelections(403,1, this);' \/><label for='answer-id-1215' id='answer-label-1215' class=' answer'><span>\u03a4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 10min \u03c4\u03bf \u0391 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03b5\u03b9 \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-403[]' id='answer-id-1216' class='answer   answerof-403 watupro_max_selections-1' value='1216'  onclick='return WatuPRO.maxSelections(403,1, this);' \/><label for='answer-id-1216' id='answer-label-1216' class=' answer'><span>\u03a4\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u0392 \u03c3\u03c5\u03bd\u03b1\u03bd\u03c4\u03ac\u03b5\u03b9 \u03c4\u03bf \u0391 \u03bc\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc \u03c7\u03c1\u03cc\u03bd\u03bf 10min.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-403[]' id='answer-id-1217' class='answer   answerof-403 watupro_max_selections-1' value='1217'  onclick='return WatuPRO.maxSelections(403,1, this);' \/><label for='answer-id-1217' id='answer-label-1217' class=' answer'><span>\u039c\u03b5\u03c4\u03ac \u03c4\u03b1 10min \u03b7 \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03ce\u03bd \u03b8\u03b1 \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-403[]' id='answer-id-1218' class='answer   answerof-403 watupro_max_selections-1' value='1218'  onclick='return WatuPRO.maxSelections(403,1, this);' \/><label for='answer-id-1218' id='answer-label-1218' class=' answer'><span>\u03a4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 5min \u03c4\u03bf \u0392 \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03b5\u03b9 \u03c4\u03bf \u03bc\u03b9\u03c3\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03bd\u03cd\u03b5\u03b9 \u03c3\u03b5 10min.<\/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-404'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>\u0394\u03cd\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03ac \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03ac\u03be\u03bf\u03bd\u03b1 x \u03bc\u03b5 \u03b5\u03be\u03b9\u03c3\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2: <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-b03ac74abe170d06b941e04137a9be62_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;&#95;&#65;&#61;&#40;&#50;&#48;&#109;&#47;&#115;&#41;&#116;&#45;&#116;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"159\" style=\"vertical-align: -5px;\"\/> \u03ba\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-db16fc068fcae20f4c4528fb4383e786_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;&#95;&#66;&#61;&#116;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"62\" style=\"vertical-align: -3px;\"\/>, \u03b3\u03b9\u03b1 <span style=\"font-size: 12pt;\">0\u2264t\u226410s. \u03a0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2;<\/span><\/div><input type='hidden' name='question_id[]' id='qID_5' value='404' \/><input type='hidden' id='answerType404' 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-404[]' id='answer-id-1219' class='answer   answerof-404 watupro_max_selections-2' value='1219'  onclick='return WatuPRO.maxSelections(404,2, this);' \/><label for='answer-id-1219' id='answer-label-1219' class=' answer'><span>\u03a4\u03b1 \u03b4\u03cd\u03bf \u03ba\u03b9\u03bd\u03b7\u03c4\u03ac \u03be\u03b5\u03ba\u03b9\u03bd\u03bf\u03cd\u03bd \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c6\u03b5\u03c4\u03b7\u03c1\u03af\u03b5\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-404[]' id='answer-id-1220' class='answer   answerof-404 watupro_max_selections-2' value='1220'  onclick='return WatuPRO.maxSelections(404,2, this);' \/><label for='answer-id-1220' id='answer-label-1220' class=' answer'><span>\u03a3\u03c4\u03b1 100m \u03c4\u03bf \u0392 \u03c0\u03c1\u03bf\u03c3\u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03c4\u03bf \u0391.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-404[]' id='answer-id-1221' class='answer   answerof-404 watupro_max_selections-2' value='1221'  onclick='return WatuPRO.maxSelections(404,2, this);' \/><label for='answer-id-1221' id='answer-label-1221' class=' answer'><span>\u03a4\u03b7 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 5s \u03c4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ad\u03c7\u03bf\u03c5\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='checkbox' name='answer-404[]' id='answer-id-1222' class='answer   answerof-404 watupro_max_selections-2' value='1222'  onclick='return WatuPRO.maxSelections(404,2, this);' \/><label for='answer-id-1222' id='answer-label-1222' class=' answer'><span>\u038c\u03c4\u03b1\u03bd \u03c4\u03bf \u0392 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03b5\u03b9 81m \u03c4\u03bf \u0391 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac\u03b5\u03b9.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-405'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u03a4\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae 0s \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F \u03bc\u03ad\u03c3\u03c9 \u03c3\u03c7\u03bf\u03b9\u03bd\u03b9\u03bf\u03cd, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9. \u039c\u03b5\u03c4\u03ac \u03b1\u03c0\u03cc 5s \u03c4\u03bf \u03c3\u03c7\u03bf\u03b9\u03bd\u03af \u03c3\u03c0\u03ac\u03b5\u03b9. \u03a4\u03b9 \u03b5\u03af\u03b4\u03bf\u03c5\u03c2 \u03ba\u03b9\u03bd\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ad\u03c2; \u039c\u03b5 \u03ba\u03bb\u03b9\u03ba \u03ac\u03bd\u03bf\u03b9\u03be\u03b5 \u03c4\u03b9\u03c2 \u03ba\u03ac\u03c1\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ac\u03c6\u03b7\u03c3\u03b5 \u03b1\u03bd\u03bf\u03b9\u03c7\u03c4\u03ad\u03c2 \u03bc\u03cc\u03bd\u03bf \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2. \u03a4\u03b9\u03c2 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03b5\u03c2 \u03be\u03b1\u03bd\u03b1\u03ba\u03bb\u03b5\u03af\u03c3\u03c4\u03b5\u03c2.<br \/>\r\n<br \/>\r\n<div id=\"attachment_6326\" style=\"width: 346px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6326\" class=\" wp-image-6326\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-1-300x107.jpeg\" alt=\"\" width=\"336\" height=\"120\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-1-300x107.jpeg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-1-768x274.jpeg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-1-1024x366.jpeg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/image-1.jpeg 1296w\" sizes=\"auto, (max-width: 336px) 100vw, 336px\" \/><p id=\"caption-attachment-6326\" 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='405' \/><input type='hidden' id='answerType405' value='checkbox'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '><div id='watuproFlashcard-1223' onclick=\"WatuPROFlipCard('1223');\" class='watupro_flashcard' style='width:150px;height:180px; border-radius:5%;'><div class='watupro_front_face front' style='background-color:#ff0000;border-radius:5%;color:#ffff00;font-size:16px;'>2s<\/div>\n\t\t\t<div class='watupro_back_face back' style='background-color:#008000;border-radius:5%;color:#ffffff;font-size:14px;'>\u0395\u03b0\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b7 \u03bf\u03bc\u03b1\u03bb\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7<\/div><\/div><div id='watuproFlashcard-1224' onclick=\"WatuPROFlipCard('1224');\" class='watupro_flashcard' style='width:150px;height:180px; border-radius:5%;'><div class='watupro_front_face front' style='background-color:#ff0000;border-radius:5%;color:#ffff00;font-size:16px;'>4s<\/div>\n\t\t\t<div class='watupro_back_face back' style='background-color:#008000;border-radius:5%;color:#ffffff;font-size:14px;'>\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 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7<\/div><\/div><div id='watuproFlashcard-1225' onclick=\"WatuPROFlipCard('1225');\" class='watupro_flashcard' style='width:150px;height:180px; border-radius:5%;'><div class='watupro_front_face front' style='background-color:#ff0000;border-radius:5%;color:#ffff00;font-size:16px;'>5s<\/div>\n\t\t\t<div class='watupro_back_face back' style='background-color:#008000;border-radius:5%;color:#ffffff;font-size:14px;'>\u0388\u03c7\u03b5\u03b9 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1<\/div><\/div><div id='watuproFlashcard-1226' onclick=\"WatuPROFlipCard('1226');\" class='watupro_flashcard' style='width:150px;height:180px; border-radius:5%;'><div class='watupro_front_face front' style='background-color:#ff0000;border-radius:5%;color:#ffff00;font-size:16px;'>7s<\/div>\n\t\t\t<div class='watupro_back_face back' style='background-color:#008000;border-radius:5%;color:#ffffff;font-size:14px;'>\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<\/div><\/div><div class='watupro-question-choice  ' dir='auto' style=\"display:none;\"><input type='checkbox' name='answer-405[]' id='answer-id-1223' class='answer   answerof-405 ' value='1223'   \/><label for='answer-id-1223' id='answer-label-1223' class=' answer'><span>2s=\u0395\u03b0\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' style=\"display:none;\"><input type='checkbox' name='answer-405[]' id='answer-id-1224' class='answer   answerof-405 ' value='1224'   \/><label for='answer-id-1224' id='answer-label-1224' class=' answer'><span>4s=\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 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' style=\"display:none;\"><input type='checkbox' name='answer-405[]' id='answer-id-1225' class='answer   answerof-405 ' value='1225'   \/><label for='answer-id-1225' id='answer-label-1225' class=' answer'><span>5s=\u0388\u03c7\u03b5\u03b9 \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' style=\"display:none;\"><input type='checkbox' name='answer-405[]' id='answer-id-1226' class='answer   answerof-405 ' value='1226'   \/><label for='answer-id-1226' id='answer-label-1226' class=' answer'><span>7s=\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><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-406'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>\u0397 \u03bc\u03b9\u03ba\u03c1\u03ae \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03bc\u03b5 \u03c4\u03b7 \u03b2\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03c7\u03bf\u03b9\u03bd\u03b9\u03bf\u03cd. \u03a3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03c4\u03b1 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 F \u03c4\u03bf\u03c5 \u03c3\u03c7\u03bf\u03b9\u03bd\u03b9\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 W, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7\u03c2 \u03b1. \u03a3\u03cd\u03b3\u03ba\u03c1\u03b9\u03bd\u03b5 \u03c4\u03b1 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd F \u03ba\u03b1\u03b9 W \u03ba\u03b1\u03b9 \u03b5\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c0\u03c1\u03cc\u03c4\u03b1\u03c3\u03b7.<br \/>\r\n<br \/>\r\n<div id=\"attachment_6327\" style=\"width: 138px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6327\" class=\"size-medium wp-image-6327\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/1o-Online-1-128x300.jpg\" alt=\"\" width=\"128\" height=\"300\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/1o-Online-1-128x300.jpg 128w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/1o-Online-1.jpg 234w\" sizes=\"auto, (max-width: 128px) 100vw, 128px\" \/><p id=\"caption-attachment-6327\" 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='406' \/><input type='hidden' id='answerType406' 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-406[]' id='answer-id-1227' class='answer   answerof-406 ' value='1227'   \/><label for='answer-id-1227' id='answer-label-1227' class=' answer'><span>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03b9\u03b8\u03bf\u03cd\u03bd \u03bf\u03b9 \u03b4\u03cd\u03bf \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-406[]' id='answer-id-1228' class='answer   answerof-406 ' value='1228'   \/><label for='answer-id-1228' id='answer-label-1228' class=' answer'><span>\u039f\u03b9 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 F \u03ba\u03b1\u03b9 W \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf\u03c5 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-406[]' id='answer-id-1229' class='answer   answerof-406 ' value='1229'   \/><label for='answer-id-1229' id='answer-label-1229' class=' answer'><span>\u0397 \u03c4\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 F \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c4\u03b9\u03bc\u03ae \u03b1\u03c0\u03cc \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 W.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-406[]' id='answer-id-1230' class='answer   answerof-406 ' value='1230'   \/><label for='answer-id-1230' id='answer-label-1230' class=' answer'><span>\u03a4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c4\u03ac\u03c3\u03b7\u03c2 F \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1o \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03bf\u03c5 \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 W.<\/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-407'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u03a3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03b8\u03cd\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03b1 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bb\u03b5\u03af\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c5\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03b9\u03c9\u03b8\u03b5\u03af \u03b7 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c4\u03bf 1\/3 \u03c4\u03b7\u03c2 \u03b1, \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03b7\u03b8\u03b5\u03af \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03af\u03b1 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7:<\/div><input type='hidden' name='question_id[]' id='qID_8' value='407' \/><input type='hidden' id='answerType407' 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-407[]' id='answer-id-1231' class='answer   answerof-407 ' value='1231'   \/><label for='answer-id-1231' id='answer-label-1231' class=' answer'><span>\u038a\u03b4\u03b9\u03b1\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd F \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03af\u03c3\u03bf\u03c5 \u03bc' \u03b1\u03c5\u03c4\u03ae\u03bd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-407[]' id='answer-id-1232' class='answer   answerof-407 ' value='1232'   \/><label for='answer-id-1232' id='answer-label-1232' class=' answer'><span>\u038a\u03b4\u03b9\u03b1\u03c2 \u03ba\u03b1\u03c4\u03b5\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2  \u03bc\u03b5 \u03c4\u03b7\u03bd F \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03af\u03c3\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf 1\/3 \u03c4\u03b7\u03c2 F.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-407[]' id='answer-id-1233' class='answer   answerof-407 ' value='1233'   \/><label for='answer-id-1233' id='answer-label-1233' class=' answer'><span>\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd F \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03af\u03c3\u03bf\u03c5 \u03bc' \u03b1\u03c5\u03c4\u03ae\u03bd.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-407[]' id='answer-id-1234' class='answer   answerof-407 ' value='1234'   \/><label for='answer-id-1234' id='answer-label-1234' class=' answer'><span>\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd F \u03ba\u03b1\u03b9 \u03bc\u03ad\u03c4\u03c1\u03bf\u03c5 \u03af\u03c3\u03bf\u03c5 \u03bc\u03c2 \u03c4\u03b1 2\/3 \u03c4\u03b7\u03c2 F.<\/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-409'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u03a4\u03b1 \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03bc\u03ac\u03b6\u03b1 m \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b5\u03bc\u03ad\u03bd\u03b1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03bd\u03ae\u03bc\u03b1, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03ad\u03c7\u03b5\u03b9 \u03cc\u03c1\u03b9\u03bf \u03b8\u03c1\u03b1\u03cd\u03c3\u03b7\u03c2 100\u039d. \u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c3\u03ba\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u0391, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03b5\u03af \u03c4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c3\u03c0\u03ac\u03c3\u03b5\u03b9 \u03c4\u03bf \u03bd\u03ae\u03bc\u03b1. \u03a4\u03c1\u03b9\u03b2\u03ad\u03c2 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd.<br \/>\r\n<br \/>\r\n<div id=\"attachment_6334\" style=\"width: 443px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6334\" class=\" wp-image-6334\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/3o-Online-1-300x45.jpg\" alt=\"\" width=\"433\" height=\"65\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/3o-Online-1-300x45.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/3o-Online-1-768x114.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/3o-Online-1.jpg 882w\" sizes=\"auto, (max-width: 433px) 100vw, 433px\" \/><p id=\"caption-attachment-6334\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 9<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_9' value='409' \/><input type='hidden' id='answerType409' 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-409[]' id='answer-id-1238' class='answer   answerof-409 ' value='1238'   \/><label for='answer-id-1238' id='answer-label-1238' class=' answer'><span>50\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-409[]' id='answer-id-1239' class='answer   answerof-409 ' value='1239'   \/><label for='answer-id-1239' id='answer-label-1239' class=' answer'><span>100\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-409[]' id='answer-id-1240' class='answer   answerof-409 ' value='1240'   \/><label for='answer-id-1240' id='answer-label-1240' class=' answer'><span>150\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-409[]' id='answer-id-1241' class='answer   answerof-409 ' value='1241'   \/><label for='answer-id-1241' id='answer-label-1241' class=' answer'><span>200\u039d<\/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-410'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u03a3\u03b5 \u03bc\u03b9\u03ba\u03c1\u03ae \u03c3\u03c6\u03b1\u03af\u03c1\u03b1, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03ae\u03c4\u03b1\u03bd \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7, \u03b7 \u03c3\u03c5\u03bd\u03b9\u03c3\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd F \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03c3\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1. \u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ae;<br \/>\r\n<br \/>\r\n<div id=\"attachment_6335\" style=\"width: 413px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6335\" class=\" wp-image-6335\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/4o-Online-1-300x190.jpg\" alt=\"\" width=\"403\" height=\"255\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/4o-Online-1-300x190.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/4o-Online-1-768x487.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/4o-Online-1.jpg 862w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><p id=\"caption-attachment-6335\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 10<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_10' value='410' \/><input type='hidden' id='answerType410' 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-410[]' id='answer-id-1242' class='answer   answerof-410 ' value='1242'   \/><label for='answer-id-1242' id='answer-label-1242' class=' answer'><span>\u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03b1 10s.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-410[]' id='answer-id-1243' class='answer   answerof-410 ' value='1243'   \/><label for='answer-id-1243' id='answer-label-1243' class=' answer'><span>\u03a3\u03c4\u03bf \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c0\u03cc 5s \u03ad\u03c9\u03c2 10s \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b5\u03c0\u03b9\u03b2\u03c1\u03b1\u03b4\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-410[]' id='answer-id-1244' class='answer   answerof-410 ' value='1244'   \/><label for='answer-id-1244' id='answer-label-1244' class=' answer'><span>\u039c\u03b5\u03c4\u03ac \u03c4\u03b1 10s \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-410[]' id='answer-id-1245' class='answer   answerof-410 ' value='1245'   \/><label for='answer-id-1245' id='answer-label-1245' class=' answer'><span>\u03a3\u03c4\u03b1 \u03c0\u03c1\u03ce\u03c4\u03b1 5s \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1.<\/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-411'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>11. <\/span>\u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac \u03c5\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf. \u03a0\u03bf\u03b9\u03bf \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03b6\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03c3\u03c4\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf;<br \/>\r\n<br \/>\r\n<div id=\"attachment_6338\" style=\"width: 403px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6338\" class=\" wp-image-6338\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5-300x52.jpg\" alt=\"\" width=\"393\" height=\"68\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5-300x52.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5.jpg 682w\" sizes=\"auto, (max-width: 393px) 100vw, 393px\" \/><p id=\"caption-attachment-6338\" 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='411' \/><input type='hidden' id='answerType411' 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-411[]' id='answer-id-1247' class='answer   answerof-411 ' value='1247'   \/><label for='answer-id-1247' id='answer-label-1247' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-6339\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5a-235x300.jpg\" alt=\"\" width=\"104\" height=\"132\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5a-235x300.jpg 235w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5a.jpg 344w\" sizes=\"auto, (max-width: 104px) 100vw, 104px\" \/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-411[]' id='answer-id-1248' class='answer   answerof-411 ' value='1248'   \/><label for='answer-id-1248' id='answer-label-1248' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-6341\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5c-188x300.jpg\" alt=\"\" width=\"102\" height=\"163\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5c-188x300.jpg 188w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5c.jpg 299w\" sizes=\"auto, (max-width: 102px) 100vw, 102px\" \/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-411[]' id='answer-id-1249' class='answer   answerof-411 ' value='1249'   \/><label for='answer-id-1249' id='answer-label-1249' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-6340\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5b-209x300.jpg\" alt=\"\" width=\"124\" height=\"178\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5b-209x300.jpg 209w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5b.jpg 333w\" sizes=\"auto, (max-width: 124px) 100vw, 124px\" \/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-411[]' id='answer-id-1250' class='answer   answerof-411 ' value='1250'   \/><label for='answer-id-1250' id='answer-label-1250' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-6342\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5d-233x300.jpg\" alt=\"\" width=\"130\" height=\"167\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5d-233x300.jpg 233w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-5d.jpg 334w\" sizes=\"auto, (max-width: 130px) 100vw, 130px\" \/><\/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-412'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>12. <\/span>\u0397 \u03bc\u03b9\u03ba\u03c1\u03ae \u03c3\u03c6\u03b1\u03af\u03c1\u03b1,\u03c0\u03bf\u03c5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03b7, \u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd 100\u039d \u03ba\u03b1\u03b9 70,7\u039d \u03c5\u03c0\u03cc \u03b3\u03c9\u03bd\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 135<sup>0<\/sup>. \u0395\u03c0\u03af\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b8\u03b1 \u03ba\u03b9\u03bd\u03b7\u03b8\u03b5\u03af.<br \/>\r\n<br \/>\r\n<div id=\"attachment_6344\" style=\"width: 247px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6344\" class=\" wp-image-6344\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-6-300x211.jpg\" alt=\"\" width=\"237\" height=\"167\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-6-300x211.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-6.jpg 504w\" sizes=\"auto, (max-width: 237px) 100vw, 237px\" \/><p id=\"caption-attachment-6344\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 12<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_12' value='412' \/><input type='hidden' id='answerType412' 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-412[]' id='answer-id-1251' class='answer   answerof-412 ' value='1251'   \/><label for='answer-id-1251' id='answer-label-1251' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6347 alignnone\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-6b.jpg\" alt=\"\" width=\"74\" height=\"74\" \/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-412[]' id='answer-id-1252' class='answer   answerof-412 ' value='1252'   \/><label for='answer-id-1252' id='answer-label-1252' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6345 alignnone\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-6a.jpg\" alt=\"\" width=\"31\" height=\"102\" \/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-412[]' id='answer-id-1253' class='answer   answerof-412 ' value='1253'   \/><label for='answer-id-1253' id='answer-label-1253' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6348 alignnone\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-6c.jpg\" alt=\"\" width=\"102\" height=\"24\" \/><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-412[]' id='answer-id-1254' class='answer   answerof-412 ' value='1254'   \/><label for='answer-id-1254' id='answer-label-1254' class=' answer'><span><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6349 alignnone\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-6d.jpg\" alt=\"\" width=\"74\" height=\"74\" \/><\/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-414'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>13. <\/span>\u03a3\u03ce\u03bc\u03b1 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b5\u03af \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u0391\u03c3\u03ba\u03bf\u03cd\u03bc\u03b5 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 F, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c0\u03c1\u03bf\u03bf\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03b9 \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03be\u03b5\u03ba\u03b9\u03bd\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc 0\u039d. \u038c\u03c4\u03b1\u03bd \u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c5\u03c0\u03b5\u03c1\u03b2\u03b5\u03af \u03c4\u03b1 30\u039d \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b1\u03c1\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u0391\u03bd \u03bc\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b1\u03c4\u03b1 28\u039d, \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1. \u03a0\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\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_13' value='414' \/><input type='hidden' id='answerType414' 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-414[]' id='answer-id-1259' class='answer   answerof-414 watupro_max_selections-3' value='1259'  onclick='return WatuPRO.maxSelections(414,3, this);' \/><label for='answer-id-1259' id='answer-label-1259' class=' answer'><span>\u0397 \u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae \u03c0\u03b1\u03af\u03c1\u03bd\u03b5\u03b9 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b1\u03c0\u03cc 0\u039d \u03bc\u03ad\u03c7\u03c1\u03b9 30\u039d.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-414[]' id='answer-id-1260' class='answer   answerof-414 watupro_max_selections-3' value='1260'  onclick='return WatuPRO.maxSelections(414,3, this);' \/><label for='answer-id-1260' id='answer-label-1260' class=' answer'><span>\u0397 \u03bf\u03c1\u03b9\u03b1\u03ba\u03ae \u03c4\u03c1\u03b9\u03b2\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 28\u039d.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-414[]' id='answer-id-1261' class='answer   answerof-414 watupro_max_selections-3' value='1261'  onclick='return WatuPRO.maxSelections(414,3, this);' \/><label for='answer-id-1261' id='answer-label-1261' class=' answer'><span>\u038c\u03c4\u03b1\u03bd \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bf\u03bb\u03b9\u03c3\u03b8\u03b1\u03af\u03bd\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 30\u039d, \u03c4\u03cc\u03c4\u03b5 \u03b5\u03c0\u03b9\u03c4\u03b1\u03c7\u03cd\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-414[]' id='answer-id-1262' class='answer   answerof-414 watupro_max_selections-3' value='1262'  onclick='return WatuPRO.maxSelections(414,3, this);' \/><label for='answer-id-1262' id='answer-label-1262' class=' answer'><span>\u0397 \u03c4\u03c1\u03b9\u03b2\u03ae \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 28\u039d.<\/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-413'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>14. <\/span>\u03a0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c0\u03b5\u03c4\u03ac\u03bc\u03b5 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03bc\u03b5 \u03af\u03b4\u03b9\u03b5\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2, \u03ad\u03c3\u03c4\u03c9 \u03c5<sub>0<\/sub>. \u0388\u03c3\u03c4\u03c9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03cc\u03c4\u03b9 \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u0391 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03b1 \u03bc\u03ac\u03b6\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u0392, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae m<sub>A<\/sub>=2m<sub>B<\/sub>. \u03a0\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\u03ad\u03c2;<\/div><input type='hidden' name='question_id[]' id='qID_14' value='413' \/><input type='hidden' id='answerType413' 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-413[]' id='answer-id-1255' class='answer   answerof-413 watupro_max_selections-2' value='1255'  onclick='return WatuPRO.maxSelections(413,2, this);' \/><label for='answer-id-1255' id='answer-label-1255' class=' answer'><span>\u0397 \u03b5\u03c0\u03b9\u03b2\u03c1\u03ac\u03b4\u03c5\u03bd\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03b4\u03b9\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-413[]' id='answer-id-1256' class='answer   answerof-413 watupro_max_selections-2' value='1256'  onclick='return WatuPRO.maxSelections(413,2, this);' \/><label for='answer-id-1256' id='answer-label-1256' class=' answer'><span>\u03a4\u03bf \u0391 \u03b4\u03b9\u03b1\u03bd\u03cd\u03b5\u03b9 \u03c4\u03bf \u03bc\u03b9\u03c3\u03cc \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u0392 \u03bc\u03ad\u03c7\u03c1\u03b9 \u03bd\u03b1 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ae\u03c3\u03b5\u03b9.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-413[]' id='answer-id-1257' class='answer   answerof-413 watupro_max_selections-2' value='1257'  onclick='return WatuPRO.maxSelections(413,2, this);' \/><label for='answer-id-1257' id='answer-label-1257' class=' answer'><span>\u03a4\u03bf \u0391 \u03b8\u03b1 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf \u03af\u03c3\u03bf \u03bc\u03b5 \u03c4\u03bf 1\/2 \u03c4\u03bf\u03c5 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03c4\u03bf\u03c5 \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-413[]' id='answer-id-1258' class='answer   answerof-413 watupro_max_selections-2' value='1258'  onclick='return WatuPRO.maxSelections(413,2, this);' \/><label for='answer-id-1258' id='answer-label-1258' class=' answer'><span>\u0397 \u03c4\u03c1\u03b9\u03b2\u03ae \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c4\u03bf \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03c0\u03bb\u03ac\u03c3\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03c1\u03b9\u03b2\u03ae \u03c3\u03c4\u03bf \u0392.<\/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-415'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>15. <\/span>\u0394\u03cd\u03bd\u03b1\u03bc\u03b7 F=450N \u03b1\u03bd\u03b5\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 50kg \u03c3\u03b5 \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b3\u03c9\u03bd\u03af\u03b1\u03c2 30<sup>0<\/sup> \u03bc\u03b5 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03b1=4m\/s<sup>2<\/sup>. \u03a0\u03bf\u03b9\u03b1 \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; \u0397 \u03c4\u03c1\u03b9\u03b2\u03ae \u03bf\u03bb\u03af\u03c3\u03b8\u03b7\u03c3\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03b5\u03ba\u03bb\u03b9\u03bc\u03ad\u03bd\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03c3\u03c4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:<br \/>\r\n<br \/>\r\n<div id=\"attachment_6355\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6355\" class=\"size-medium wp-image-6355\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-7-300x140.jpg\" alt=\"\" width=\"300\" height=\"140\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-7-300x140.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-7.jpg 547w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-6355\" 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='415' \/><input type='hidden' id='answerType415' 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-415[]' id='answer-id-1263' class='answer   answerof-415 ' value='1263'   \/><label for='answer-id-1263' id='answer-label-1263' class=' answer'><span>0\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-415[]' id='answer-id-1264' class='answer   answerof-415 ' value='1264'   \/><label for='answer-id-1264' id='answer-label-1264' class=' answer'><span>250\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-415[]' id='answer-id-1265' class='answer   answerof-415 ' value='1265'   \/><label for='answer-id-1265' id='answer-label-1265' class=' answer'><span>450\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-415[]' id='answer-id-1266' class='answer   answerof-415 ' value='1266'   \/><label for='answer-id-1266' id='answer-label-1266' class=' answer'><span>500\u039d<\/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-416'>\n\t\t\t<div class='question-content'><span class='watupro_num'>16. <\/span>\u03a3\u03ce\u03bc\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bc\u03b5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 300J \u03c5\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F. \u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b5 \u03c4\u03b1 \u03ad\u03c1\u03b3\u03b1 W<sub>F<\/sub>, W<sub>T<\/sub>, W<sub>B<\/sub> \u03c4\u03c9\u03bd \u03b4\u03c5\u03bd\u03ac\u03bc\u03b5\u03c9\u03bd F, \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03a4 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 \u0392 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03bf\u03cd \u03ad\u03c1\u03b3\u03bf\u03c5 \u03a3W \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1, \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2. (\u039a\u03bb\u03b9\u03ba \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7 \u03c4\u03b9\u03bc\u03ae \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03c9\u03c3\u03c4\u03ac)<div class='question-choices'><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_416\"><tr><td class=\"watupro-matrix-left-cell\">W<sub>F<\/sub><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable416\" id=\"watuPRODroppableCell1267\"><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, 'watuPRODroppableCell1267', 0);return false;\">200J<!--WTPMD5793598af1bb4c8ec93051bd5d4898d2f--><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, 'watuPRODroppableCell1267', 1);return false;\">0N<!--WTPMD56bebd1ce35d37d1b3a35fdf3d7de04ed--><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, 'watuPRODroppableCell1267', 2);return false;\">500J<!--WTPMD57801905ea076f95d0303c6251811784d--><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, 'watuPRODroppableCell1267', 3);return false;\">300J<!--WTPMD5cb6f840fa856047f7ee0a51c3e9281b1--><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, 'watuPRODroppableCell1267', 4);return false;\">-100J<!--WTPMD5a65973d804bad914ba6dd3f87e9b4294--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-416 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1267\" name=\"matrix-left-1267\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">W<sub>T<\/sub><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable416\" id=\"watuPRODroppableCell1268\"><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, 'watuPRODroppableCell1268', 0);return false;\">200J<!--WTPMD5793598af1bb4c8ec93051bd5d4898d2f--><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, 'watuPRODroppableCell1268', 1);return false;\">0N<!--WTPMD56bebd1ce35d37d1b3a35fdf3d7de04ed--><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, 'watuPRODroppableCell1268', 2);return false;\">500J<!--WTPMD57801905ea076f95d0303c6251811784d--><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, 'watuPRODroppableCell1268', 3);return false;\">300J<!--WTPMD5cb6f840fa856047f7ee0a51c3e9281b1--><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, 'watuPRODroppableCell1268', 4);return false;\">-100J<!--WTPMD5a65973d804bad914ba6dd3f87e9b4294--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-416 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1268\" name=\"matrix-left-1268\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">W<sub>B<\/sub><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable416\" id=\"watuPRODroppableCell1269\"><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, 'watuPRODroppableCell1269', 0);return false;\">200J<!--WTPMD5793598af1bb4c8ec93051bd5d4898d2f--><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, 'watuPRODroppableCell1269', 1);return false;\">0N<!--WTPMD56bebd1ce35d37d1b3a35fdf3d7de04ed--><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, 'watuPRODroppableCell1269', 2);return false;\">500J<!--WTPMD57801905ea076f95d0303c6251811784d--><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, 'watuPRODroppableCell1269', 3);return false;\">300J<!--WTPMD5cb6f840fa856047f7ee0a51c3e9281b1--><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, 'watuPRODroppableCell1269', 4);return false;\">-100J<!--WTPMD5a65973d804bad914ba6dd3f87e9b4294--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-416 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1269\" name=\"matrix-left-1269\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">\u03a3W<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable416\" id=\"watuPRODroppableCell1270\"><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, 'watuPRODroppableCell1270', 0);return false;\">200J<!--WTPMD5793598af1bb4c8ec93051bd5d4898d2f--><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, 'watuPRODroppableCell1270', 1);return false;\">0N<!--WTPMD56bebd1ce35d37d1b3a35fdf3d7de04ed--><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, 'watuPRODroppableCell1270', 2);return false;\">500J<!--WTPMD57801905ea076f95d0303c6251811784d--><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, 'watuPRODroppableCell1270', 3);return false;\">300J<!--WTPMD5cb6f840fa856047f7ee0a51c3e9281b1--><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, 'watuPRODroppableCell1270', 4);return false;\">-100J<!--WTPMD5a65973d804bad914ba6dd3f87e9b4294--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-416 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1270\" name=\"matrix-left-1270\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">K<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable416\" id=\"watuPRODroppableCell1271\"><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, 'watuPRODroppableCell1271', 0);return false;\">200J<!--WTPMD5793598af1bb4c8ec93051bd5d4898d2f--><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, 'watuPRODroppableCell1271', 1);return false;\">0N<!--WTPMD56bebd1ce35d37d1b3a35fdf3d7de04ed--><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, 'watuPRODroppableCell1271', 2);return false;\">500J<!--WTPMD57801905ea076f95d0303c6251811784d--><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, 'watuPRODroppableCell1271', 3);return false;\">300J<!--WTPMD5cb6f840fa856047f7ee0a51c3e9281b1--><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, 'watuPRODroppableCell1271', 4);return false;\">-100J<!--WTPMD5a65973d804bad914ba6dd3f87e9b4294--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-416 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell1271\" name=\"matrix-left-1271\" value=\"\"><\/td><\/tr><\/table><\/div><input type='hidden' name='question_id[]' id='qID_16' value='416' \/><input type='hidden' id='answerType416' value='nmatrix'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-17' style=';'><div id='questionWrap-17'  class='   watupro-question-id-417'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>17. <\/span>\u03a3\u03ce\u03bc\u03b1 10kg \u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5<sub>0<\/sub>=12m\/s \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf. \u03a4\u03bf \u03c3\u03ce\u03bc\u03b1 \u03b4\u03b9\u03b1\u03bd\u03cd\u03b5\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03b4\u03b9\u03ac\u03c3\u03c4\u03b7\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ac\u03b5\u03b9. \u03a4\u03bf \u03ad\u03c1\u03b3\u03bf \u03c4\u03b7\u03c2 \u03c4\u03c1\u03b9\u03b2\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:<br \/>\r\n<br \/>\r\n<div id=\"attachment_6359\" style=\"width: 328px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6359\" class=\"wp-image-6359\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-8-1-300x83.jpg\" alt=\"\" width=\"318\" height=\"88\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-8-1-300x83.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/03\/Online-8-1.jpg 605w\" sizes=\"auto, (max-width: 318px) 100vw, 318px\" \/><p id=\"caption-attachment-6359\" 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='417' \/><input type='hidden' id='answerType417' 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-417[]' id='answer-id-1272' class='answer   answerof-417 ' value='1272'   \/><label for='answer-id-1272' id='answer-label-1272' class=' answer'><span>1440J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-417[]' id='answer-id-1273' class='answer   answerof-417 ' value='1273'   \/><label for='answer-id-1273' id='answer-label-1273' class=' answer'><span>-720J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-417[]' id='answer-id-1274' class='answer   answerof-417 ' value='1274'   \/><label for='answer-id-1274' id='answer-label-1274' class=' answer'><span>540J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-417[]' id='answer-id-1275' class='answer   answerof-417 ' value='1275'   \/><label for='answer-id-1275' id='answer-label-1275' class=' answer'><span>-360J<\/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-418'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>18. <\/span>\u03a3\u03ce\u03bc\u03b1 \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b1, \u03c7\u03c9\u03c1\u03af\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03b1\u03c0\u03cc \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03cd\u03c8\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03c4\u03c5\u03c0\u03ac\u03b5\u03b9 \u03c3\u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03bc\u03b5 40m\/s. \u039c\u03b5 \u03c0\u03cc\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c0\u03b5\u03c1\u03bd\u03ac\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03ad\u03c3\u03bf\u03bd \u03c4\u03bf\u03c5 \u03cd\u03c8\u03bf\u03c5\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf \u03b1\u03c6\u03ae\u03c3\u03b1\u03bc\u03b5;<\/div><input type='hidden' name='question_id[]' id='qID_18' value='418' \/><input type='hidden' id='answerType418' 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-418[]' id='answer-id-1276' class='answer   answerof-418 ' value='1276'   \/><label for='answer-id-1276' id='answer-label-1276' class=' answer'><span>10m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-418[]' id='answer-id-1277' class='answer   answerof-418 ' value='1277'   \/><label for='answer-id-1277' id='answer-label-1277' class=' answer'><span>14,14m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-418[]' id='answer-id-1278' class='answer   answerof-418 ' value='1278'   \/><label for='answer-id-1278' id='answer-label-1278' class=' answer'><span>20m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-418[]' id='answer-id-1279' class='answer   answerof-418 ' value='1279'   \/><label for='answer-id-1279' id='answer-label-1279' class=' answer'><span>28,28m\/s<\/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-419'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>19. <\/span>\u039c\u03c0\u03b1\u03bb\u03ac\u03ba\u03b9 \u03c4\u03bf\u03c5 \u03c4\u03ad\u03bd\u03bd\u03b9\u03c2, \u03bc\u03ac\u03b6\u03b1\u03c2 150gr, \u03c0\u03ad\u03c6\u03c4\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03c1\u03b1\u03ba\u03ad\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03bd\u03af\u03c3\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 40m\/s \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9, \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf \u03ba\u03c4\u03cd\u03c0\u03b7\u03bc\u03b1, \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 60m\/s. \u03a4\u03bf \u03ad\u03c1\u03b3\u03bf \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b7 \u03c1\u03b1\u03ba\u03ad\u03c4\u03b1 \u03ba\u03c4\u03c5\u03c0\u03ac\u03b5\u03b9 \u03c4\u03bf \u03bc\u03c0\u03b1\u03bb\u03ac\u03ba\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_19' value='419' \/><input type='hidden' id='answerType419' 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-419[]' id='answer-id-1280' class='answer   answerof-419 ' value='1280'   \/><label for='answer-id-1280' id='answer-label-1280' class=' answer'><span>390J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-419[]' id='answer-id-1281' class='answer   answerof-419 ' value='1281'   \/><label for='answer-id-1281' id='answer-label-1281' class=' answer'><span>270J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-419[]' id='answer-id-1282' class='answer   answerof-419 ' value='1282'   \/><label for='answer-id-1282' id='answer-label-1282' class=' answer'><span>150J<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-419[]' id='answer-id-1283' class='answer   answerof-419 ' value='1283'   \/><label for='answer-id-1283' id='answer-label-1283' class=' answer'><span>120J<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-20' style=';'><div id='questionWrap-20'  class='   watupro-question-id-420'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>20. <\/span>\u03a3\u03ce\u03bc\u03b1 \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b5\u03b4\u03ac\u03c6\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03bc\u03b5 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c5<sub>0<\/sub>=100m\/s. \u03a3\u03c4\u03bf \u03b1\u03bd\u03ce\u03c4\u03b1\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b9\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03ba\u03c1\u03af\u03b3\u03bd\u03c5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ac \u03ba\u03bf\u03bc\u03bc\u03ac\u03c4\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ac \u03b5\u03c0\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9 \u03c3\u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 150m\/s. \u0391\u03bd \u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2, \u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03ba\u03bf\u03bc\u03bc\u03b1\u03c4\u03b9\u03bf\u03cd \u03b1\u03c5\u03c4\u03bf\u03cd \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03ad\u03ba\u03c1\u03b7\u03be\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5:<\/div><input type='hidden' name='question_id[]' id='qID_20' value='420' \/><input type='hidden' id='answerType420' 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-420[]' id='answer-id-1284' class='answer   answerof-420 ' value='1284'   \/><label for='answer-id-1284' id='answer-label-1284' class=' answer'><span>112m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-420[]' id='answer-id-1285' class='answer   answerof-420 ' value='1285'   \/><label for='answer-id-1285' id='answer-label-1285' class=' answer'><span>120m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-420[]' id='answer-id-1286' class='answer   answerof-420 ' value='1286'   \/><label for='answer-id-1286' id='answer-label-1286' class=' answer'><span>132m\/s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-420[]' id='answer-id-1287' class='answer   answerof-420 ' value='1287'   \/><label for='answer-id-1287' id='answer-label-1287' class=' answer'><span>148m\/s<\/span><\/label><\/div><!-- end 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