{"id":2328,"date":"2014-08-14T22:21:24","date_gmt":"2014-08-14T20:21:24","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=2328"},"modified":"2020-04-07T19:39:22","modified_gmt":"2020-04-07T16:39:22","slug":"%ce%bc%ce%ae%ce%ba%ce%bf%cf%82-%ce%bc%ce%ac%ce%b6%ce%b1-%cf%87%cf%81%cf%8c%ce%bd%ce%bf%cf%82-online","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=2328","title":{"rendered":"\u039c\u03ae\u03ba\u03bf\u03c2-\u03a7\u03c1\u03cc\u03bd\u03bf\u03c2-\u039c\u03ac\u03b6\u03b1 Online"},"content":{"rendered":"<p>\u0391\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\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 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2, \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2.<\/p>\n<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=\"submittingExam15\" 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\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-15\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-115'>\n\t\t\t<div class='question-content'><span class='watupro_num'>1. <\/span>\u0391\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03af\u03c7\u03b9\u03c3\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03ac\u03b6\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b2\u03ac\u03c1\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03b9\u03c3\u03c4\u03b5\u03c1\u03ae\u03c2 \u03c3\u03c4\u03ae\u03bb\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b1 \u03b2\u03ac\u03c1\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03bc\u03ac\u03b6\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b5\u03be\u03b9\u03ac\u03c2. (\u039a\u03ac\u03bd\u03b5 \u03ba\u03bb\u03b9\u03ba \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c3\u03bf\u03c5 \u03c3\u03c4\u03b7 \u03b4\u03b5\u03be\u03b9\u03ac \u03c3\u03c4\u03ae\u03bb\u03b7).<br \/>\r\n<br \/>\r\n<em>\u03a0\u03ac\u03c1\u03b5 \u03ba\u03b1\u03c4\u03ac \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 1kg \u03bc\u03ac\u03b6\u03b1 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03b5 10\u039d \u03b2\u03ac\u03c1\u03bf\u03c2.\u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03ba\u03b1\u03b9 100g \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf\u03cd\u03bd \u03c3\u03b5 1\u039d.<\/em><div class='question-choices'><table class=\"question-choices watupro-matrix-droppable\" id=\"watuPROMatrixDroppable_115\"><tr><td class=\"watupro-matrix-left-cell\">50g<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable115\" id=\"watuPRODroppableCell381\"><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, 'watuPRODroppableCell381', 0);return false;\">30g<!--WTPMD50bcf81c06509314330afec44d9bfe93e--><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, 'watuPRODroppableCell381', 1);return false;\">500g<!--WTPMD59e6bf31cdf3b80ca71569ae2112eb759--><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, 'watuPRODroppableCell381', 2);return false;\">50N<!--WTPMD513b571a3524bb96f651aca474be5597e--><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, 'watuPRODroppableCell381', 3);return false;\">0,5\u039d<!--WTPMD565d43d25784b9a99ba77fe928a7e7549--><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, 'watuPRODroppableCell381', 4);return false;\">30kg<!--WTPMD55e9a6629fb64dde329bf74c26c4357e7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-115 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell381\" name=\"matrix-left-381\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">5\u039d<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable115\" id=\"watuPRODroppableCell382\"><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, 'watuPRODroppableCell382', 0);return false;\">30g<!--WTPMD50bcf81c06509314330afec44d9bfe93e--><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, 'watuPRODroppableCell382', 1);return false;\">500g<!--WTPMD59e6bf31cdf3b80ca71569ae2112eb759--><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, 'watuPRODroppableCell382', 2);return false;\">50N<!--WTPMD513b571a3524bb96f651aca474be5597e--><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, 'watuPRODroppableCell382', 3);return false;\">0,5\u039d<!--WTPMD565d43d25784b9a99ba77fe928a7e7549--><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, 'watuPRODroppableCell382', 4);return false;\">30kg<!--WTPMD55e9a6629fb64dde329bf74c26c4357e7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-115 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell382\" name=\"matrix-left-382\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">5kg<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable115\" id=\"watuPRODroppableCell383\"><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, 'watuPRODroppableCell383', 0);return false;\">30g<!--WTPMD50bcf81c06509314330afec44d9bfe93e--><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, 'watuPRODroppableCell383', 1);return false;\">500g<!--WTPMD59e6bf31cdf3b80ca71569ae2112eb759--><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, 'watuPRODroppableCell383', 2);return false;\">50N<!--WTPMD513b571a3524bb96f651aca474be5597e--><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, 'watuPRODroppableCell383', 3);return false;\">0,5\u039d<!--WTPMD565d43d25784b9a99ba77fe928a7e7549--><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, 'watuPRODroppableCell383', 4);return false;\">30kg<!--WTPMD55e9a6629fb64dde329bf74c26c4357e7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-115 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell383\" name=\"matrix-left-383\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">0,3N<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable115\" id=\"watuPRODroppableCell384\"><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, 'watuPRODroppableCell384', 0);return false;\">30g<!--WTPMD50bcf81c06509314330afec44d9bfe93e--><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, 'watuPRODroppableCell384', 1);return false;\">500g<!--WTPMD59e6bf31cdf3b80ca71569ae2112eb759--><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, 'watuPRODroppableCell384', 2);return false;\">50N<!--WTPMD513b571a3524bb96f651aca474be5597e--><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, 'watuPRODroppableCell384', 3);return false;\">0,5\u039d<!--WTPMD565d43d25784b9a99ba77fe928a7e7549--><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, 'watuPRODroppableCell384', 4);return false;\">30kg<!--WTPMD55e9a6629fb64dde329bf74c26c4357e7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-115 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell384\" name=\"matrix-left-384\" value=\"\"><\/td><\/tr><tr><td class=\"watupro-matrix-left-cell\">300\u039d<\/td>\n\t\t\t\t\t\t<td class=\"watupro-matrix-right-cell watuPRODroppable115\" id=\"watuPRODroppableCell385\"><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, 'watuPRODroppableCell385', 0);return false;\">30g<!--WTPMD50bcf81c06509314330afec44d9bfe93e--><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, 'watuPRODroppableCell385', 1);return false;\">500g<!--WTPMD59e6bf31cdf3b80ca71569ae2112eb759--><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, 'watuPRODroppableCell385', 2);return false;\">50N<!--WTPMD513b571a3524bb96f651aca474be5597e--><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, 'watuPRODroppableCell385', 3);return false;\">0,5\u039d<!--WTPMD565d43d25784b9a99ba77fe928a7e7549--><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, 'watuPRODroppableCell385', 4);return false;\">30kg<!--WTPMD55e9a6629fb64dde329bf74c26c4357e7--><p class=\"watupro-nmatrix-unselect\">Unselect<\/p><\/div><\/div><\/div><input type=\"hidden\" class=\"answerof-115 watupro-nmatrix-answer-field\"  id=\"field-watuPRODroppableCell385\" name=\"matrix-left-385\" value=\"\"><\/td><\/tr><\/table><\/div><input type='hidden' name='question_id[]' id='qID_1' value='115' \/><input type='hidden' id='answerType115' 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-114'>\n\t\t\t<div class='question-content'><p><span class='watupro_num'>2. <\/span>\u03a3\u03c5\u03bc\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b5 \u03c4\u03b1 \u03ba\u03b5\u03bd\u03ac \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b5\u03c2 \u03bb\u03ad\u03be\u03b5\u03b9\u03c2.<\/p>\n<p>\u0391\u03bd \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c3\u03b5 kg \u03b5\u03bd\u03cc\u03c2 \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf <select name=\"gap_114_1\" class=\"watupro-gap answer answerof-114\" ><option value=\"\"><\/option><option value=\"100\">100<\/option><option value=\"9,8\">9,8<\/option><\/select> \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03b5 \u039d. \u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 <select name=\"gap_114_2\" class=\"watupro-gap answer answerof-114\" ><option value=\"\"><\/option><option value=\"\u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03bf\">\u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03bf<\/option><option value=\"\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03bf\">\u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03c1\u03cc\u03c6\u03c9\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03bf<\/option><option value=\"\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03bf\">\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03bf<\/option><\/select> \u03c4\u03b7\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2. \u038c\u03c4\u03b1\u03bd \u03bb\u03ad\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 2kg, \u03c4\u03cc\u03c4\u03b5 \u03bc\u03b5\u03c4\u03c1\u03ac\u03bc\u03b5 <select name=\"gap_114_3\" class=\"watupro-gap answer answerof-114\" ><option value=\"\"><\/option><option value=\"\u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1\">\u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1<\/option><option value=\"\u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2\">\u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2<\/option><\/select>. \u0395\u03bd\u03ce \u03b1\u03bd \u03c0\u03bf\u03cd\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 10\u039d, \u03bc\u03b5\u03c4\u03c1\u03ac\u03bc\u03b5 <select name=\"gap_114_4\" class=\"watupro-gap answer answerof-114\" ><option value=\"\"><\/option><option value=\"\u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2\">\u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2<\/option><option value=\"\u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1\">\u03c4\u03b7 \u03bc\u03ac\u03b6\u03b1<\/option><\/select>.<\/p>\n<input type='hidden' name='question_id[]' id='qID_2' value='114' \/><input type='hidden' id='answerType114' value='gaps'><!-- end question-content--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-116'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>\u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03bc\u03b1\u03b6\u03ce\u03bd-\u03b5\u03c0\u03b9\u03bc\u03b7\u03ba\u03cd\u03bd\u03c3\u03b5\u03c9\u03bd \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5. \u039c\u03b5\u03bb\u03ad\u03c4\u03b7\u03c3\u03ad \u03c4\u03bf \u03ba\u03b1\u03b9 \u03b5\u03c0\u03ad\u03bb\u03b5\u03be\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<br \/>\r\n<br \/>\r\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8275 \" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2021\/01\/\u039c\u03ac\u03b6\u03b1-\u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1-Online-300x195.jpg\" alt=\"\" width=\"456\" height=\"296\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2021\/01\/\u039c\u03ac\u03b6\u03b1-\u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1-Online-300x195.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2021\/01\/\u039c\u03ac\u03b6\u03b1-\u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1-Online-768x500.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2021\/01\/\u039c\u03ac\u03b6\u03b1-\u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1-Online.jpg 900w\" sizes=\"auto, (max-width: 456px) 100vw, 456px\" \/><\/div><input type='hidden' name='question_id[]' id='qID_3' value='116' \/><input type='hidden' id='answerType116' 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-116[]' id='answer-id-386' class='answer   answerof-116 watupro_max_selections-2' value='386'  onclick='return WatuPRO.maxSelections(116,2, this);' \/><label for='answer-id-386' id='answer-label-386' class=' answer'><span>\u0391\u03bd \u03ba\u03c1\u03b5\u03bc\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03b5\u03bb\u03b1\u03c4\u03ae\u03c1\u03b9\u03bf \u03bc\u03ac\u03b6\u03b1 100g \u03c4\u03cc\u03c4\u03b5 \u03b7 \u03b5\u03c0\u03b9\u03bc\u03ae\u03ba\u03c5\u03bd\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 8cm.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-116[]' id='answer-id-387' class='answer   answerof-116 watupro_max_selections-2' value='387'  onclick='return WatuPRO.maxSelections(116,2, this);' \/><label for='answer-id-387' id='answer-label-387' class=' answer'><span>\u039c\u03ac\u03b6\u03b1 60g \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af \u03c3\u03c4\u03bf \u03b5\u03bb\u03b1\u03c4\u03ae\u03c1\u03b9\u03bf \u03b5\u03c0\u03b9\u03bc\u03ae\u03ba\u03c5\u03bd\u03c3\u03b7 3cm.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-116[]' id='answer-id-388' class='answer   answerof-116 watupro_max_selections-2' value='388'  onclick='return WatuPRO.maxSelections(116,2, this);' \/><label for='answer-id-388' id='answer-label-388' class=' answer'><span>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c3\u03c4\u03bf \u03b5\u03bb\u03b1\u03c4\u03ae\u03c1\u03b9\u03bf \u03b5\u03c0\u03b9\u03bc\u03ae\u03ba\u03c5\u03bd\u03c3\u03b7 10cm \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03c1\u03b5\u03bc\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03ac\u03b6\u03b1 150g<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-116[]' id='answer-id-389' class='answer   answerof-116 watupro_max_selections-2' value='389'  onclick='return WatuPRO.maxSelections(116,2, this);' \/><label for='answer-id-389' id='answer-label-389' class=' answer'><span>\u0393\u03b9\u03b1 \u03b5\u03c0\u03b9\u03bc\u03ae\u03ba\u03c5\u03bd\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c4\u03b7\u03c1\u03af\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac 9cm \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03c1\u03b5\u03bc\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03bc\u03ac\u03b6\u03b1 180g<\/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-113'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2; \u0394\u03cd\u03bf \u03c3\u03ce\u03bc\u03b1\u03c4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03ad\u03c7\u03bf\u03c5\u03bd \u03af\u03c3\u03b5\u03c2 \u03bc\u03ac\u03b6\u03b5\u03c2.<\/div><input type='hidden' name='question_id[]' id='qID_4' value='113' \/><input type='hidden' id='answerType113' 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-113[]' id='answer-id-377' class='answer   answerof-113 watupro_max_selections-3' value='377'  onclick='return WatuPRO.maxSelections(113,3, this);' \/><label for='answer-id-377' id='answer-label-377' class=' answer'><span>\u03a4\u03b1 \u03b2\u03ac\u03c1\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03af\u03c3\u03b1 \u03b1\u03bd \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03c4\u03b7 \u03a3\u03b5\u03bb\u03ae\u03bd\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-113[]' id='answer-id-378' class='answer   answerof-113 watupro_max_selections-3' value='378'  onclick='return WatuPRO.maxSelections(113,3, this);' \/><label for='answer-id-378' id='answer-label-378' class=' answer'><span>\u039f\u03b9 \u03bc\u03ac\u03b6\u03b5\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b5\u03c2 \u03b1\u03bd \u03c4\u03bf \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03b5\u03b9 \u03c3\u03c4\u03b7 \u0393\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03c0\u03ac\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03a3\u03b5\u03bb\u03ae\u03bd\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-113[]' id='answer-id-379' class='answer   answerof-113 watupro_max_selections-3' value='379'  onclick='return WatuPRO.maxSelections(113,3, this);' \/><label for='answer-id-379' id='answer-label-379' class=' answer'><span>\u03a4\u03b1 \u03b2\u03ac\u03c1\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b1 \u03b1\u03bd \u03c4\u03bf \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u0393\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03ac\u03bb\u03bb\u03bf \u03c0\u03ac\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03a3\u03b5\u03bb\u03ae\u03bd\u03b7.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='checkbox' name='answer-113[]' id='answer-id-380' class='answer   answerof-113 watupro_max_selections-3' value='380'  onclick='return WatuPRO.maxSelections(113,3, this);' \/><label for='answer-id-380' id='answer-label-380' class=' answer'><span>\u0391\u03bd \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u0391 \u03c3\u03c4\u03b7 \u03a3\u03b5\u03bb\u03ae\u03bd\u03b7 \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b8\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5 \u0392.<\/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-111'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>\u03a4\u03bf \u03b5\u03ba\u03ba\u03c1\u03b5\u03bc\u03ad\u03c2 \u0391 \u03b5\u03ba\u03c4\u03b5\u03bb\u03b5\u03af \u03bc\u03af\u03b1 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03c4\u03b1\u03bb\u03ac\u03bd\u03c4\u03c9\u03c3\u03b7 \u03c3\u03b5 1,6s \u03ba\u03b1\u03b9 \u03c4\u03bf \u0392 \u03c3\u03b5 1,2s. \u0391\u03bd \u03c4\u03b1 \u03b1\u03c6\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03b1\u03af\u03b1 \u03b8\u03ad\u03c3\u03b7 \u03c4\u03bf\u03c5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1, \u03bc\u03b5 \u03c0\u03cc\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b8\u03b1 \u03c0\u03b5\u03c1\u03ac\u03c3\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b7 \u03b8\u03ad\u03c3\u03b7;<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image3.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2339 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image3-300x237.jpg\" alt=\"\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 5\" width=\"268\" height=\"212\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image3-300x237.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image3-1024x810.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image3.jpg 1386w\" sizes=\"auto, (max-width: 268px) 100vw, 268px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_5' value='111' \/><input type='hidden' id='answerType111' 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-111[]' id='answer-id-369' class='answer   answerof-111 ' value='369'   \/><label for='answer-id-369' id='answer-label-369' class=' answer'><span>0,6s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-111[]' id='answer-id-370' class='answer   answerof-111 ' value='370'   \/><label for='answer-id-370' id='answer-label-370' class=' answer'><span>0,4s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-111[]' id='answer-id-371' class='answer   answerof-111 ' value='371'   \/><label for='answer-id-371' id='answer-label-371' class=' answer'><span>0,2s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-111[]' id='answer-id-372' class='answer   answerof-111 ' value='372'   \/><label for='answer-id-372' id='answer-label-372' class=' answer'><span>0,1s<\/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-107'>\n\t\t\t<div class='question-content'><span class='watupro_num'>6. <\/span>\u03a4\u03b1\u03be\u03b9\u03bd\u03cc\u03bc\u03b7\u03c3\u03b5 \u03c4\u03b1 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03bc\u03ae\u03ba\u03b7 \u03b1\u03c0\u03cc \u03c4\u03bf \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03bf \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf. (\u03a3\u03cd\u03c1\u03b5\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03c0\u03bf\u03bd\u03c4\u03af\u03ba\u03b9 \u03c3\u03c4\u03b7 \u03b8\u03ad\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03b9\u03c2)<!-- end question-content--><\/div><div class='question-choices watupro-sortable-choices'><ul id='watuPROSortable107' class='watupro-sortable '>\t\t\t\t\t\t<li id=\"watuPROSortable107_1\">0,2cm<!--|||0%2C2cm--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable107_2\">0,2m<!--|||0%2C2m--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable107_3\">30mm<!--|||30mm--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable107_4\">0,01km<!--|||0%2C01km--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<li id=\"watuPROSortable107_5\">25cm<!--|||25cm--><\/li>\n\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t<\/ul><input type=\"hidden\" name=\"answer-107[]\" id=\"watuPROSortableValue107\" value=\"0%2C2cm%7C0%2C2m%7C30mm%7C0%2C01km%7C25cm%7C\" class=\"answer answerof-107\">\t\t\t\t\t\n\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\tdocument.addEventListener('DOMContentLoaded', function(event) {\n\t\t\t\t\t    jQuery( \"#watuPROSortable107\" ).sortable({\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\tstop: function(event, ui) { WatuPROSort.sortable(event, ui) }\t\t\t\t    \t\n\t\t\t\t\t    \t});\t\t\t\t\t    \n\t\t\t\t\t  });\n\t\t\t\t\t<\/script><\/div><!-- end question-choices--><input type='hidden' name='question_id[]' id='qID_6' value='107' \/><input type='hidden' id='answerType107' value='sort'><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-106'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>\u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03c1\u03ac\u03be\u03b5\u03b9\u03c2 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9;<\/div><input type='hidden' name='question_id[]' id='qID_7' value='106' \/><input type='hidden' id='answerType106' 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-106[]' id='answer-id-353' class='answer   answerof-106 ' value='353'   \/><label for='answer-id-353' id='answer-label-353' class=' answer'><span>3cm+2m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-106[]' id='answer-id-354' class='answer   answerof-106 ' value='354'   \/><label for='answer-id-354' id='answer-label-354' class=' answer'><span>8h-50min<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-106[]' id='answer-id-355' class='answer   answerof-106 ' value='355'   \/><label for='answer-id-355' id='answer-label-355' class=' answer'><span>2s+5cm<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-106[]' id='answer-id-356' class='answer   answerof-106 ' value='356'   \/><label for='answer-id-356' id='answer-label-356' class=' answer'><span>3kg+200g<\/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-110'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>\u0394\u03cd\u03bf \u03b1\u03b8\u03bb\u03b7\u03c4\u03ad\u03c2 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03c4\u03c9\u03bd 100m \u03c3\u03c0\u03c1\u03b9\u03bd\u03c4 \u03c7\u03c1\u03bf\u03bd\u03bf\u03bc\u03b5\u03c4\u03c1\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c7\u03c1\u03cc\u03bd\u03bf 10,23s \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf. \u03a4\u03b5\u03bb\u03b9\u03ba\u03ac \u03bd\u03b9\u03ba\u03b7\u03c4\u03ae\u03c2 \u03b1\u03bd\u03b1\u03ba\u03c5\u03c1\u03ae\u03c3\u03c3\u03b5\u03c4\u03b1\u03b9 \u03bf \u0391 \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 2ms\u00a0 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u0392. \u0391\u03bd \u03bf \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03bd\u03b9\u03ba\u03b7\u03c4\u03ae, \u03cc\u03c0\u03c9\u03c2 \u03c0\u03c1\u03bf\u03ad\u03ba\u03c5\u03c8\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03c6\u03ce\u03c4\u03bf \u03c6\u03af\u03bd\u03b9\u03c2 \u03ae\u03c4\u03b1\u03bd 10,233s, \u03c4\u03cc\u03c4\u03b5 \u03bf \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03c4\u03bf\u03c5 \u0392 \u03ae\u03c4\u03b1\u03bd:<\/div><input type='hidden' name='question_id[]' id='qID_8' value='110' \/><input type='hidden' id='answerType110' 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-110[]' id='answer-id-365' class='answer   answerof-110 ' value='365'   \/><label for='answer-id-365' id='answer-label-365' class=' answer'><span>10,230s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-110[]' id='answer-id-366' class='answer   answerof-110 ' value='366'   \/><label for='answer-id-366' id='answer-label-366' class=' answer'><span>10,231s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-110[]' id='answer-id-367' class='answer   answerof-110 ' value='367'   \/><label for='answer-id-367' id='answer-label-367' class=' answer'><span>10,232s<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-110[]' id='answer-id-368' class='answer   answerof-110 ' value='368'   \/><label for='answer-id-368' id='answer-label-368' class=' answer'><span>10,235s<\/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-112'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>\u0397 \u03c1\u03cc\u03b4\u03b1 \u03ba\u03c5\u03bb\u03ac\u03b5\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03b4\u03b5\u03be\u03b9\u03ac \u03ba\u03b1\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03b1\u03ba\u03c4\u03af\u03bd\u03b1 R=50cm (0,5m). \u03a0\u03cc\u03c3\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03b8\u03b1 \u03c4\u03c1\u03ad\u03be\u03b5\u03b9 \u03b1\u03bd \u03ba\u03ac\u03bd\u03b5\u03b9 10 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ad\u03c2; \u0395\u03c0\u03ad\u03bb\u03b5\u03be\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7. \u0398\u03c5\u03bc\u03ae\u03c3\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03ba\u03cd\u03ba\u03bb\u03bf\u03c5 \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 s=2\u00b7\u03c0\u00b7R \u03ba\u03b1\u03b9 \u03c0=3,14.<br \/>\r\n<br \/>\r\n<a href=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2341 aligncenter\" src=\"http:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image5-300x223.jpg\" alt=\"image\" width=\"251\" height=\"186\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image5-300x223.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image5-1024x762.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image5.jpg 1087w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/><\/a><\/div><input type='hidden' name='question_id[]' id='qID_9' value='112' \/><input type='hidden' id='answerType112' 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-112[]' id='answer-id-373' class='answer   answerof-112 ' value='373'   \/><label for='answer-id-373' id='answer-label-373' class=' answer'><span>15,7m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-112[]' id='answer-id-374' class='answer   answerof-112 ' value='374'   \/><label for='answer-id-374' id='answer-label-374' class=' answer'><span>31,4m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-112[]' id='answer-id-375' class='answer   answerof-112 ' value='375'   \/><label for='answer-id-375' id='answer-label-375' class=' answer'><span>62,8m<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-112[]' id='answer-id-376' class='answer   answerof-112 ' value='376'   \/><label for='answer-id-376' id='answer-label-376' class=' answer'><span>10m<\/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-109'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>\u0394\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c4\u03ad\u03bb\u03bf\u03c5\u03c2 \u03c4\u03b5\u03c3\u03c3\u03ac\u03c1\u03c9\u03bd \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c4\u03c9\u03bd. \n<table id=\"tablepress-28\" class=\"tablepress tablepress-id-28\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">\u03b1\/\u03b1<\/th><th class=\"column-2\">\u0391\u03c1\u03c7\u03ae<\/th><th class=\"column-3\">\u03a4\u03ad\u03bb\u03bf\u03c2<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">\u0391<\/td><td class=\"column-2\">3s<\/td><td class=\"column-3\">7s<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">\u0392<\/td><td class=\"column-2\">5s<\/td><td class=\"column-3\">8s<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">\u0393<\/td><td class=\"column-2\">4s<\/td><td class=\"column-3\">8s<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">\u0394<\/td><td class=\"column-2\">11s<\/td><td class=\"column-3\">16s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-28 from cache --> \u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c4\u03b1 \u03b1\u03c5\u03c4\u03ac \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ae \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1;<\/div><input type='hidden' name='question_id[]' id='qID_10' value='109' \/><input type='hidden' id='answerType109' 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-109[]' id='answer-id-361' class='answer   answerof-109 ' value='361'   \/><label for='answer-id-361' id='answer-label-361' class=' answer'><span>\u03a4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0392<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-109[]' id='answer-id-362' class='answer   answerof-109 ' value='362'   \/><label for='answer-id-362' id='answer-label-362' class=' answer'><span>\u03a4\u03b1 \u0391 \u03ba\u03b1\u03b9 \u0393<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-109[]' id='answer-id-363' class='answer   answerof-109 ' value='363'   \/><label for='answer-id-363' id='answer-label-363' class=' answer'><span>\u03a4\u03b1 \u0392 \u03ba\u03b1\u03b9 \u0393<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-109[]' id='answer-id-364' class='answer   answerof-109 ' value='364'   \/><label for='answer-id-364' id='answer-label-364' class=' answer'><span>\u03a4\u03b1 \u0392 \u03ba\u03b1\u03b9 \u0394<\/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=\"watuPROButtons15\">\n\t\t  <div id=\"prev-question\" style=\"display:none;\"><input type=\"button\" value=\"&lt; \u03a0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf\u03b7\" onclick=\"WatuPRO.nextQuestion(event, 'previous');\"\/><\/div>\t\t  \t\t  \t\t   \n\t\t   \t  \t\t<div><input type=\"button\" name=\"action\" class=\"watupro-submit-button\" onclick=\"WatuPRO.submitResult(event)\" id=\"action-button\" value=\"\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1\"  \/>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\n\t<input type=\"hidden\" name=\"quiz_id\" value=\"15\" id=\"watuPROExamID\"\/>\n\t<input type=\"hidden\" name=\"start_time\" id=\"startTime\" value=\"2026-04-27 20:16:23\" \/>\n\t<input type=\"hidden\" name=\"start_timestamp\" id=\"startTimeStamp\" value=\"1777320983\" \/>\n\t<input type=\"hidden\" name=\"question_ids\" value=\"\" \/>\n\t<input type=\"hidden\" name=\"watupro_questions\" value=\"115:381,382,383,384,385 | 114: | 116:386,387,388,389 | 113:377,378,379,380 | 111:369,370,371,372 | 107: | 106:353,354,355,356 | 110:365,366,367,368 | 112:373,374,375,376 | 109:361,362,363,364\" \/>\n\t<input type=\"hidden\" name=\"no_ajax\" value=\"0\">\t\t\t<\/form>\n\t<p>&nbsp;<\/p>\n<\/div>\n\n<form method=\"post\" id=\"watuproTimerForm15\">\n\t<!-- watupro-hidden-fields -->\n\t<input type=\"hidden\" name=\"watupro_start_timer\" value=\"0\">\n\t<input type=\"hidden\" name=\"watupro_taker_email\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_name\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_phone\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_company\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_field1\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_field2\" value=\"\">\n\t<input type=\"hidden\" name=\"watupro_taker_checkbox\" value=\"1\">\n\t<input type=\"hidden\" name=\"watupro_diff_level\" value=\"\">\n<\/form>\n<script type=\"text\/javascript\">\n\/\/jQuery(document).ready(function(){\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \t\nvar question_ids = \"115,114,116,113,111,107,106,110,112,109\";\nWatuPROSettings[15] = {};\nWatuPRO.qArr = question_ids.split(',');\nWatuPRO.exam_id = 15;\t    \nWatuPRO.post_id = 2328;\nWatuPRO.store_progress = 0;\nWatuPRO.curCatPage = 1;\nWatuPRO.requiredIDs=\"0\".split(\",\");\nWatuPRO.hAppID = \"0.56980200 1777310183\";\nvar url = \"https:\/\/viewonphysics.gr\/wp-content\/plugins\/watupro\/show_exam.php\";\nWatuPRO.examMode = 1;\nWatuPRO.siteURL=\"https:\/\/viewonphysics.gr\/wp-admin\/admin-ajax.php\";\nWatuPRO.emailIsNotRequired = 0;\nWatuPROIntel.init(15);\nWatuPRO.inCategoryPages=1;});    \t \n<\/script>\n<p class=\"has-text-align-left\"><a href=\"&#x6d;&#x61;&#105;lt&#x6f;&#x3a;&#116;op&#x69;&#x6f;&#64;vi&#x65;&#x77;&#x6f;nph&#x79;&#x73;&#105;cs&#x2e;&#x67;&#114;\">t&#x6f;p&#x69;&#x6f;&#64;&#x76;i&#101;&#x77;o&#x6e;p&#104;&#x79;s&#x69;c&#115;&#x2e;g&#x72;<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-6948 alignnone\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-300x225.jpg\" alt=\"\" width=\"148\" height=\"111\" srcset=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-300x225.jpg 300w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-768x575.jpg 768w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main-1024x767.jpg 1024w, https:\/\/viewonphysics.gr\/wp-content\/uploads\/2018\/11\/main.jpg 2048w\" sizes=\"auto, (max-width: 148px) 100vw, 148px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0391\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\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 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2, \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2. &#116;&#x6f;p&#x69;o&#64;&#x76;i&#x65;w&#x6f;n&#112;&#x68;y&#x73;i&#x63;&#x73;&#46;&#x67;r<\/p>\n","protected":false},"author":1,"featured_media":2341,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[17,19,3],"tags":[25],"class_list":["post-2328","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online","category-19","category-3","tag-25"],"jetpack_featured_media_url":"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/08\/image5.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4sIra-By","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/2328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2328"}],"version-history":[{"count":12,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/2328\/revisions"}],"predecessor-version":[{"id":7762,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/2328\/revisions\/7762"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/media\/2341"}],"wp:attachment":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}