{"id":1376,"date":"2014-04-18T23:10:41","date_gmt":"2014-04-18T21:10:41","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=1376"},"modified":"2014-04-20T08:15:59","modified_gmt":"2014-04-20T06:15:59","slug":"%cf%80%ce%af%ce%b5%cf%83%ce%b7-%ce%ac%ce%bd%cf%89%cf%83%ce%b7-online","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=1376","title":{"rendered":"\u03a0\u03af\u03b5\u03c3\u03b7-\u0386\u03bd\u03c9\u03c3\u03b7 Online"},"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=\"submittingExam6\" 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-6\"><p>\u0391\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c3\u03c4\u03b9\u03c2 10 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03b9 \u03b1\u03c6\u03bf\u03c1\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7\u03bd \u03a0\u03af\u03b5\u03c3\u03b7, \u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03a0\u03af\u03b5\u03c3\u03b7, \u0391\u03c1\u03c7\u03ae \u03c4\u03bf\u03c5 Pascal \u03ba\u03b1\u03b9 \u0386\u03bd\u03c9\u03c3\u03b7.<\/p>\n<p>\u038c\u03c4\u03b1\u03bd \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c0\u03b1\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03ba\u03bf\u03c5\u03bc\u03c0\u03af \"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\" \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b5\u03af\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03b4\u03bf\u03c3\u03ae \u03c3\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-6\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-104'>\n\t\t\t<div class='question-content'><span class='watupro_num'>1. <\/span>\u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03af\u03c3\u03c4\u03b5, \u03ba\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ba\u03bb\u03b9\u03ba \u03c3\u03c4\u03b1 \u03c3\u03c9\u03c3\u03c4\u03ac \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b5\u03be\u03b9\u03ac\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2, \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ae\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03af\u03bd\u03b1\u03ba\u03b1.<div class='question-choices'><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_104\"><tr><td class=\"watupro-matrix-left-cell\"> <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-cffda75a2bdb947f5fcbac919340fd80_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;&#92;&#114;&#104;&#111;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#103;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#104;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"48\" style=\"vertical-align: -3px;\"\/><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable104\" id=\"watuPRODroppableCell341\"><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, 'watuPRODroppableCell341', 0);return false;\">\u039c\u03ac\u03b6\u03b1<!--WTPMD542ce11bb57ca00e72519bf1c6e4eb652--><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, 'watuPRODroppableCell341', 1);return false;\">\u0394\u03cd\u03bd\u03b1\u03bc\u03b7<!--WTPMD5414cd49942b05239c66990029fc35890--><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, 'watuPRODroppableCell341', 2);return false;\">\u0386\u03bd\u03c9\u03c3\u03b7<!--WTPMD5374213287758bdd7ab662e208f2c545b--><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, 'watuPRODroppableCell341', 3);return false;\">\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7<!--WTPMD5e048be6bdc9a2252451d12e1a026c3a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-104 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell341\" name=\"matrix-left-341\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-eb70607d569f085a3389580528ff25fb_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;&#80;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#65;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"35\" style=\"vertical-align: 0px;\"\/><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable104\" id=\"watuPRODroppableCell342\"><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, 'watuPRODroppableCell342', 0);return false;\">\u039c\u03ac\u03b6\u03b1<!--WTPMD542ce11bb57ca00e72519bf1c6e4eb652--><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, 'watuPRODroppableCell342', 1);return false;\">\u0394\u03cd\u03bd\u03b1\u03bc\u03b7<!--WTPMD5414cd49942b05239c66990029fc35890--><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, 'watuPRODroppableCell342', 2);return false;\">\u0386\u03bd\u03c9\u03c3\u03b7<!--WTPMD5374213287758bdd7ab662e208f2c545b--><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, 'watuPRODroppableCell342', 3);return false;\">\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7<!--WTPMD5e048be6bdc9a2252451d12e1a026c3a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-104 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell342\" name=\"matrix-left-342\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-824205182a2bd449f92e2cf784a15789_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;&#92;&#114;&#104;&#111;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#103;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#86;&#95;&#123;&#92;&#98;&#101;&#116;&#97;&#32;&#92;&#117;&#112;&#115;&#105;&#108;&#111;&#110;&#32;&#92;&#116;&#104;&#101;&#116;&#97;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"68\" style=\"vertical-align: -5px;\"\/><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable104\" id=\"watuPRODroppableCell343\"><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, 'watuPRODroppableCell343', 0);return false;\">\u039c\u03ac\u03b6\u03b1<!--WTPMD542ce11bb57ca00e72519bf1c6e4eb652--><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, 'watuPRODroppableCell343', 1);return false;\">\u0394\u03cd\u03bd\u03b1\u03bc\u03b7<!--WTPMD5414cd49942b05239c66990029fc35890--><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, 'watuPRODroppableCell343', 2);return false;\">\u0386\u03bd\u03c9\u03c3\u03b7<!--WTPMD5374213287758bdd7ab662e208f2c545b--><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, 'watuPRODroppableCell343', 3);return false;\">\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7<!--WTPMD5e048be6bdc9a2252451d12e1a026c3a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-104 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell343\" name=\"matrix-left-343\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-b2d16605d209fefe89870c51acef0b89_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;&#92;&#114;&#104;&#111;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"31\" style=\"vertical-align: -3px;\"\/><\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable104\" id=\"watuPRODroppableCell344\"><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, 'watuPRODroppableCell344', 0);return false;\">\u039c\u03ac\u03b6\u03b1<!--WTPMD542ce11bb57ca00e72519bf1c6e4eb652--><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, 'watuPRODroppableCell344', 1);return false;\">\u0394\u03cd\u03bd\u03b1\u03bc\u03b7<!--WTPMD5414cd49942b05239c66990029fc35890--><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, 'watuPRODroppableCell344', 2);return false;\">\u0386\u03bd\u03c9\u03c3\u03b7<!--WTPMD5374213287758bdd7ab662e208f2c545b--><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, 'watuPRODroppableCell344', 3);return false;\">\u03a5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7<!--WTPMD5e048be6bdc9a2252451d12e1a026c3a9--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-104 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell344\" name=\"matrix-left-344\" value=\"\"><\/td><\/tr><\/table><\/div><input type='hidden' name='question_id[]' id='qID_1' value='104' \/><input type='hidden' id='answerType104' value='nmatrix'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-53'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>\u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03c4\u03b7\u03c2 \u03b8\u03ac\u03bb\u03b1\u03c3\u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 1030kg\/m<sup>3<\/sup>\u00a0\u03ba\u03b1\u03b9 g=10m\/s<sup>2<\/sup>. \u0397 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03b5 \u03b2\u03ac\u03b8\u03bf\u03c2 100m \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_2' value='53' \/><input type='hidden' id='answerType53' 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-53[]' id='answer-id-178' class='answer   answerof-53 ' value='178'   \/><label for='answer-id-178' id='answer-label-178' class=' answer'><span>1,03kPa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-53[]' id='answer-id-179' class='answer   answerof-53 ' value='179'   \/><label for='answer-id-179' id='answer-label-179' class=' answer'><span>0,103kPa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-53[]' id='answer-id-180' class='answer   answerof-53 ' value='180'   \/><label for='answer-id-180' id='answer-label-180' class=' answer'><span>1030Pa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-53[]' id='answer-id-181' class='answer   answerof-53 ' value='181'   \/><label for='answer-id-181' id='answer-label-181' class=' answer'><span>1030kPa<\/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-56'>\n\t\t\t<div class='question-content'><p><span class='watupro_num'>3. <\/span>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03bd\u03cc\u03c2 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b9\u03c3\u03bf\u03c1\u03c1\u03bf\u03c0\u03b5\u03af, \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 <input type=\"text\" size=\"10\" name=\"gap_56_1\" class=\"watupro-gap answer answerof-56\" value=\"\"   > \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 <input type=\"text\" size=\"10\" name=\"gap_56_2\" class=\"watupro-gap answer answerof-56\" value=\"\"   > \u03c4\u03b7\u03c2 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2, \u00a0\u03c7\u03c1\u03b5\u03b9\u03b1\u03b6\u03cc\u03bc\u03b1\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b2\u03ac\u03b8\u03bf\u03c2. \u0393\u03b9\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b1\u03c5\u03c4\u03cc \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b3\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7\u00a0\u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd <input type=\"text\" size=\"10\" name=\"gap_56_3\" class=\"watupro-gap answer answerof-56\" value=\"\"   >.<\/p>\n<input type='hidden' name='question_id[]' id='qID_3' value='56' \/><input type='hidden' id='answerType56' value='gaps'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-54'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u0388\u03bd\u03b1 \u03ba\u03bf\u03c5\u03c4\u03ac\u03bb\u03b9 20gr \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03c0\u03b9\u03ac\u03c4\u03bf, \u03b3\u03b5\u03bc\u03ac\u03c4\u03bf \u03bc\u03b5 \u03bd\u03b5\u03c1\u03cc \u03bc\u03ad\u03c7\u03c1\u03b9 \u03c4\u03bf \u03c7\u03b5\u03af\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5. \u0391\u03c0\u03cc \u03c4\u03bf \u03c0\u03b9\u03ac\u03c4\u03bf \u03be\u03b5\u03c7\u03b5\u03b9\u03bb\u03af\u03b6\u03bf\u03c5\u03bd 3cm<sup>3<\/sup> \u03bd\u03b5\u03c1\u03bf\u03cd. \u039b\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 1gr\/cm<sup>3<\/sup>, \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03bf\u03c5\u03c4\u03b1\u03bb\u03b9\u03bf\u03cd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03b5\u03af\u03bd\u03b1\u03b9:<\/div><input type='hidden' name='question_id[]' id='qID_4' value='54' \/><input type='hidden' id='answerType54' 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-54[]' id='answer-id-182' class='answer   answerof-54 ' value='182'   \/><label for='answer-id-182' id='answer-label-182' class=' answer'><span>0,03\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-54[]' id='answer-id-183' class='answer   answerof-54 ' value='183'   \/><label for='answer-id-183' id='answer-label-183' class=' answer'><span>0,17\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-54[]' id='answer-id-184' class='answer   answerof-54 ' value='184'   \/><label for='answer-id-184' id='answer-label-184' class=' answer'><span>0,20\u039d<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-54[]' id='answer-id-185' class='answer   answerof-54 ' value='185'   \/><label for='answer-id-185' id='answer-label-185' class=' answer'><span>0,23\u039d<\/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-55'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>\u03a5\u03b4\u03c1\u03b1\u03c5\u03bb\u03b9\u03ba\u03cc \u03c0\u03b9\u03b5\u03c3\u03c4\u03ae\u03c1\u03b9\u03bf \u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03ad\u03bd\u03b1 \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf 10mm \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf 50 mm. \u0391\u03bd \u03c3\u03c4\u03bf \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03c4\u03c9\u03bd 10mm \u03b1\u03c3\u03ba\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 60\u039d \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b9\u03b2\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03ad\u03bc\u03b2\u03bf\u03bb\u03bf \u03c4\u03c9\u03bd 50mm \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:<br \/>\r\n<br \/>\r\n<div id=\"attachment_1405\" style=\"width: 282px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image23.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1405\" class=\" wp-image-1405\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image23-300x210.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5\" width=\"272\" height=\"190\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image23-300x210.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image23.jpg 966w\" sizes=\"auto, (max-width: 272px) 100vw, 272px\" \/><\/a><p id=\"caption-attachment-1405\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_5' value='55' \/><input type='hidden' id='answerType55' 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-55[]' id='answer-id-186' class='answer   answerof-55 ' value='186'   \/><label for='answer-id-186' id='answer-label-186' class=' answer'><span>12N<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-55[]' id='answer-id-187' class='answer   answerof-55 ' value='187'   \/><label for='answer-id-187' id='answer-label-187' class=' answer'><span>300N<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-55[]' id='answer-id-188' class='answer   answerof-55 ' value='188'   \/><label for='answer-id-188' id='answer-label-188' class=' answer'><span>600N<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-55[]' id='answer-id-189' class='answer   answerof-55 ' value='189'   \/><label for='answer-id-189' id='answer-label-189' class=' answer'><span>1500N<\/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-57'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>\u03a4\u03bf \u03ba\u03c5\u03bb\u03b9\u03bd\u03b4\u03c1\u03b9\u03ba\u03cc \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03cd\u03c8\u03bf\u03c5\u03c2 3m. \u0397 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03bd\u03b5\u03c1\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c1=10<sup>3\u00a0<\/sup>kg\/m<sup>3\u00a0<\/sup> \u03ba\u03b1\u03b9 g=9,81m\/s<sup>2<\/sup>, \u03b5\u03bd\u03ce \u03b7 \u03b1\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 P<sub>\u03b1\u03c4\u03bc<\/sub>=101.300Pa. \u0397 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:<br \/>\r\n<br \/>\r\n<div id=\"attachment_1385\" style=\"width: 196px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image18.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1385\" class=\" wp-image-1385 \" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image18-280x300.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 6\" width=\"186\" height=\"199\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image18-280x300.jpg 280w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image18.jpg 814w\" sizes=\"auto, (max-width: 186px) 100vw, 186px\" \/><\/a><p id=\"caption-attachment-1385\" 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='57' \/><input type='hidden' id='answerType57' 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-57[]' id='answer-id-190' class='answer   answerof-57 ' value='190'   \/><label for='answer-id-190' id='answer-label-190' class=' answer'><span>130.730Pa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-57[]' id='answer-id-191' class='answer   answerof-57 ' value='191'   \/><label for='answer-id-191' id='answer-label-191' class=' answer'><span>13.073Pa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-57[]' id='answer-id-192' class='answer   answerof-57 ' value='192'   \/><label for='answer-id-192' id='answer-label-192' class=' answer'><span>1.307,3Pa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-57[]' id='answer-id-193' class='answer   answerof-57 ' value='193'   \/><label for='answer-id-193' id='answer-label-193' class=' answer'><span>130,73Pa<\/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-58'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>\u03a4\u03bf \u03c3\u03c4\u03b5\u03c1\u03b5\u03cc \u03c4\u03b7\u03c2 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 12cm x 10cm x 8cm \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 16\u039d. \u039c\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03ad\u03b4\u03c1\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03bf \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03ac\u03c1\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7. \u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7\u00a0\u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7 \u03c0\u03af\u03b5\u03c3\u03b7;<br \/>\r\n<br \/>\r\n<div id=\"attachment_1384\" style=\"width: 299px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image17.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1384\" class=\" wp-image-1384\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image17-300x197.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 7\" width=\"289\" height=\"190\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image17-300x197.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image17-1024x672.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image17.jpg 1236w\" sizes=\"auto, (max-width: 289px) 100vw, 289px\" \/><\/a><p id=\"caption-attachment-1384\" 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='58' \/><input type='hidden' id='answerType58' 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-58[]' id='answer-id-194' class='answer   answerof-58 ' value='194'   \/><label for='answer-id-194' id='answer-label-194' class=' answer'><span>13.333N\/m<sup>2<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-58[]' id='answer-id-195' class='answer   answerof-58 ' value='195'   \/><label for='answer-id-195' id='answer-label-195' class=' answer'><span>4.000N\/m<sup>2<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-58[]' id='answer-id-196' class='answer   answerof-58 ' value='196'   \/><label for='answer-id-196' id='answer-label-196' class=' answer'><span>3.000N\/m<sup>2<\/sup><\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-58[]' id='answer-id-197' class='answer   answerof-58 ' value='197'   \/><label for='answer-id-197' id='answer-label-197' class=' answer'><span>2.000N\/m<sup>2<\/sup><\/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-59'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u03a4\u03b1 \u03b4\u03cd\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03cd\u03bf \u03c5\u03b3\u03c1\u03ac \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 50cm. \u0397 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5 \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf\u03bd \u03c0\u03c5\u03b8\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf\u03c5 \u0392. \u0391\u03c5\u03c4\u03cc \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af:<br \/>\r\n<br \/>\r\n<div id=\"attachment_1393\" style=\"width: 318px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image20.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1393\" class=\"wp-image-1393 \" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image20-300x129.jpg\" alt=\"image\" width=\"308\" height=\"132\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image20-300x129.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image20-1024x440.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image20.jpg 1295w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><\/a><p id=\"caption-attachment-1393\" class=\"wp-caption-text\">\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 8<\/p><\/div><\/div><input type='hidden' name='question_id[]' id='qID_8' value='59' \/><input type='hidden' id='answerType59' 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-59[]' id='answer-id-198' class='answer   answerof-59 ' value='198'   \/><label for='answer-id-198' id='answer-label-198' class=' answer'><span>\u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03bb\u03b5\u03c0\u03c4\u03cc \u03b1\u03c0\u03cc \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-59[]' id='answer-id-199' class='answer   answerof-59 ' value='199'   \/><label for='answer-id-199' id='answer-label-199' class=' answer'><span>\u03a4\u03b1 \u03b4\u03bf\u03c7\u03b5\u03af\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03c5\u03b3\u03c1\u03cc, \u03b1\u03bb\u03bb\u03ac \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-59[]' id='answer-id-200' class='answer   answerof-59 ' value='200'   \/><label for='answer-id-200' id='answer-label-200' class=' answer'><span>\u0397 \u03b1\u03c4\u03bc\u03bf\u03c3\u03c6\u03b1\u03b9\u03c1\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03bc\u03b9\u03ba\u03c1\u03ae \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ae\u03bd \u03c0\u03bf\u03c5 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-59[]' id='answer-id-201' class='answer   answerof-59 ' value='201'   \/><label for='answer-id-201' id='answer-label-201' class=' answer'><span>\u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0391 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03c5\u03b3\u03c1\u03cc \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7\u03c2 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c5\u03b3\u03c1\u03cc \u03c4\u03bf\u03c5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf\u03c5 \u0392.<\/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-60'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u03a4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0391 \u03c0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03c5\u03b3\u03c1\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c1<sub>A<\/sub> \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0392 \u03c5\u03b3\u03c1\u03cc \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2\u00a0\u03c1<sub>B<\/sub>, \u03b1\u03bb\u03bb\u03ac \u03b7 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u0391 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c3\u03c4\u03bf \u0392 (\u03c1<sub>A<\/sub>&gt;\u03c1<sub>\u0392<\/sub>). \u00a0\u0391\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03bf \u03ba\u03ac\u03b8\u03b5 \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b2\u03c5\u03b8\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03b1\u03c0\u03cc \u03bc\u03af\u03b1 \u03bc\u03c0\u03ac\u03bb\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 1 \u03ba\u03b1\u03b9 2, \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03b4\u03cd\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03b1 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c5\u03b3\u03c1\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b5\u03ba\u03c4\u03bf\u03c0\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 (\u03ac\u03bd\u03c9\u03c3\u03b7) \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03b4\u03b9\u03bf. \u0391\u03c5\u03c4\u03cc \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af:<br \/>\r\n<br \/>\r\n<div id=\"attachment_1394\" style=\"width: 240px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image21.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1394\" class=\" wp-image-1394\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image21-292x300.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 9\" width=\"230\" height=\"236\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image21-292x300.jpg 292w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image21-997x1024.jpg 997w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image21.jpg 1034w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/><\/a><p id=\"caption-attachment-1394\" 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='60' \/><input type='hidden' id='answerType60' 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-60[]' id='answer-id-202' class='answer   answerof-60 ' value='202'   \/><label for='answer-id-202' id='answer-label-202' class=' answer'><span>\u0392\u03c5\u03b8\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03bc\u03c0\u03ac\u03bb\u03b1 1 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0391 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bc\u03b9\u03ba\u03c1\u03ae 2 \u03c3\u03c4\u03bf \u0392.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-60[]' id='answer-id-203' class='answer   answerof-60 ' value='203'   \/><label for='answer-id-203' id='answer-label-203' class=' answer'><span>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03af\u03b4\u03b9\u03b5\u03c2 \u03b1\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b7 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03bc\u03c0\u03ac\u03bb\u03b1 1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u0392 \u03ba\u03b1\u03b9 \u03b7 \u03bc\u03b9\u03ba\u03c1\u03ae 2 \u03c3\u03c4\u03bf \u0391.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-60[]' id='answer-id-204' class='answer   answerof-60 ' value='204'   \/><label for='answer-id-204' id='answer-label-204' class=' answer'><span>\u0394\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c3\u03b5 \u03c0\u03bf\u03b9\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03b8\u03b1 \u03b2\u03ac\u03bb\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03ba\u03ac\u03b8\u03b5 \u03bc\u03af\u03b1 \u03bc\u03c0\u03ac\u03bb\u03b1.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-60[]' id='answer-id-205' class='answer   answerof-60 ' value='205'   \/><label for='answer-id-205' id='answer-label-205' class=' answer'><span>\u039f\u03b9 \u03b1\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b5\u03be\u03b9\u03c3\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03bd \u03c4\u03b7\u03bd \u03bc\u03c0\u03ac\u03bb\u03b1 2 \u03c4\u03b7 \u03c1\u03af\u03be\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0392 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd 1 \u03c3\u03c4\u03bf \u0391, \u03b1\u03bb\u03bb\u03ac \u03c4\u03b7\u03bd \u03bc\u03b9\u03ba\u03c1\u03ae \u03bc\u03c0\u03ac\u03bb\u03b1 \u03c3\u03c4\u03bf \u0392 \u03c4\u03b7 \u03b2\u03ac\u03bb\u03bf\u03c5\u03bc\u03b5 \u03c3\u03b5 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03b2\u03ac\u03b8\u03bf\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03c4\u03b7\u03c2 1 \u03c3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u0391.<\/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-61'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u03a3\u03c4\u03bf \u03b4\u03bf\u03c7\u03b5\u03af\u03bf \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bd\u03b5\u03c1\u03cc \u03ba\u03b1\u03b9 \u03bb\u03ac\u03b4\u03b9 \u03bc\u03b5 \u03c0\u03c5\u03ba\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 1000kg\/m<sup>3<\/sup> \u03ba\u03b1\u03b9 800kg\/m<sup>3<\/sup> \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1. \u0391\u03bd \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bd\u03b5\u03c1\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 2m \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b9\u03c4\u03ac\u03c7\u03c5\u03bd\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b2\u03b1\u03c1\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 g=10m\/s<sup>2<\/sup>, \u03b7 \u03c5\u03b4\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b9\u03ba\u03ae \u03c0\u03af\u03b5\u03c3\u03b7 \u03c3\u03b5 \u03b2\u03ac\u03b8\u03bf\u03c2 3m \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03bb\u03b1\u03b4\u03b9\u03bf\u03cd \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9:<br \/>\r\n<br \/>\r\n<div id=\"attachment_1396\" style=\"width: 206px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image22.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1396\" class=\" wp-image-1396\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image22-243x300.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 10\" width=\"196\" height=\"242\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image22-243x300.jpg 243w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/04\/image22.jpg 808w\" sizes=\"auto, (max-width: 196px) 100vw, 196px\" \/><\/a><p id=\"caption-attachment-1396\" 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='61' \/><input type='hidden' id='answerType61' 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-61[]' id='answer-id-206' class='answer   answerof-61 ' value='206'   \/><label for='answer-id-206' id='answer-label-206' class=' answer'><span>50kPa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-61[]' id='answer-id-207' class='answer   answerof-61 ' value='207'   \/><label for='answer-id-207' id='answer-label-207' class=' answer'><span>30kPa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-61[]' id='answer-id-208' class='answer   answerof-61 ' value='208'   \/><label for='answer-id-208' id='answer-label-208' class=' answer'><span>26kPa<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-61[]' id='answer-id-209' class='answer   answerof-61 ' value='209'   \/><label for='answer-id-209' id='answer-label-209' class=' answer'><span>16kPa<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-11'>\n\t<div class='question-content'>\n\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\" alt=\"Loading...\" title=\"Loading...\" \/>&nbsp;Loading...\t<\/div>\n<\/div>\n\n<br \/>\n\t\n\t\t\t<div class=\"watupro_buttons flex \" id=\"watuPROButtons6\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; 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