{"id":3287,"date":"2015-05-31T09:39:32","date_gmt":"2015-05-31T07:39:32","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=3287"},"modified":"2015-06-01T19:18:37","modified_gmt":"2015-06-01T17:18:37","slug":"%ce%b7-%ce%b5%cf%80%ce%b9%cf%83%cf%84%ce%b7%ce%bc%ce%bf%ce%bd%ce%b9%ce%ba%ce%ae-%ce%bc%ce%b5%ce%bb%ce%ad%cf%84%ce%b7-%cf%84%ce%bf%cf%85-%ce%b1%ce%b9%ce%bd%ce%af%ce%b3%ce%bc%ce%b1%cf%84%ce%bf%cf%82","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=3287","title":{"rendered":"\u0397 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03b9\u03bd\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c3\u03c6\u03b1\u03af\u03c1\u03b1"},"content":{"rendered":"<ul>\n<li>The Physics Teacher<\/li>\n<li>By Asif Shakur, Salisbury University, Maryland US<\/li>\n<\/ul>\n<p>\u03a4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03ac\u03c1\u03b8\u03c1\u03bf \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1, \u03bc\u03b5 \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03c3\u03c7\u03bf\u03bb\u03b7\u03b8\u03bf\u03cd\u03bd \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03b7\u03c2 \u0393\u0384 \u039b\u03c5\u03ba\u03b5\u03af\u03bf\u03c5, \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03bc\u03c0\u03b5\u03b4\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c1\u03c7\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u039f\u03c1\u03bc\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u0395\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c3\u03c4\u03b5\u03c1\u03b5\u03bf\u03cd \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2. \u0394\u03af\u03bd\u03b5\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03c4\u03bf \u03ad\u03bd\u03b1\u03c5\u03c3\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03ba\u03c0\u03b1\u03b9\u03b4\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c7\u03c9\u03c1\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03c4\u03b7 \u03c3\u03cd\u03bd\u03b8\u03b5\u03c3\u03b7 \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03b1\u03c1\u03c7\u03ce\u03bd \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2.<\/p>\n<p><strong><span style=\"color: #0000ff;\"><span style=\"color: #ff0000;\">\u0392\u03af\u03bd\u03c4\u03b5\u03bf 1:<\/span> \u039f\u03b9 \u03b4\u03cd\u03bf \u03be\u03cd\u03bb\u03b9\u03bd\u03b5\u03c2 \u03b4\u03bf\u03ba\u03bf\u03af \u03c7\u03c4\u03c5\u03c0\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03c3\u03b7\u03bc\u03b5\u03af\u03b1. \u0397 \u03bc\u03af\u03b1 \u03ba\u03b1\u03c4&#8217; \u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03bd \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 (\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9) \u03ba\u03b1\u03b9 \u03b7 \u03ac\u03bb\u03bb\u03b7 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 (\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9). \u03a0\u03bf\u03b9\u03b1 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1;<\/span><\/strong><\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"737\" height=\"415\" src=\"https:\/\/www.youtube.com\/embed\/vWVZ6APXM4w?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=el&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><br \/>\n<strong><span style=\"color: #0000ff;\"><span style=\"color: #ff0000;\">\u0392\u03af\u03bd\u03c4\u03b5\u03bf 2:<\/span> \u0397 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7. \u039a\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03c6\u03c4\u03ac\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2. \u0393\u03b9\u03b1\u03c4\u03af;<\/span><\/strong><br \/>\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"737\" height=\"415\" src=\"https:\/\/www.youtube.com\/embed\/BLYoyLcdGPc?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=el&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>\u0397 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ae \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c4\u03bf\u03c5 \u03b2\u03af\u03bd\u03c4\u03b5\u03bf \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03bc\u03af\u03b1 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1, \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03be\u03cd\u03bb\u03b9\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b2\u03ac\u03bb\u03bb\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03ba\u03ac\u03b8\u03b5\u03c4\u03bf \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03c3\u03c4\u03cc\u03c7\u03bf \u03c4\u03bf\u03c5\u03c6\u03ad\u03ba\u03b9. \u03a4\u03bf \u03b2\u03af\u03bd\u03c4\u03b5\u03bf \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c4\u03c5\u03c0\u03ae\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03c4&#8217; \u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03bd \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c0\u03b7\u03b3\u03b1\u03af\u03bd\u03b5\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03c4\u03cc\u03c3\u03bf \u03c5\u03c8\u03b7\u03bb\u03cc \u03cc\u03c3\u03bf \u03b8\u03b1 \u03c0\u03ae\u03b3\u03b1\u03b9\u03bd\u03b5 \u03b1\u03bd \u03c4\u03b7 \u03c7\u03c4\u03c5\u03c0\u03bf\u03cd\u03c3\u03b1\u03bc\u03b5 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5(\u03ad\u03ba\u03ba\u03b5\u03bd\u03c4\u03c1\u03b1). (\u0395\u03b9\u03ba. 1). \u03a4\u03bf \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03c4\u03c5\u03c0\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9, \u03b5\u03ba\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1. \u0391\u03c5\u03c4\u03cc \u03bf\u03b4\u03b7\u03b3\u03b5\u03af \u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03b9\u03bf\u03c8\u03b7\u03c6\u03af\u03b1 \u03c4\u03c9\u03bd bloggers \u03bd\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c5\u03c1\u03bf\u03b2\u03bf\u03bb\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03ac\u03b5\u03b9 \u03c4\u03cc\u03c3\u03bf \u03c8\u03b7\u03bb\u03ac \u03cc\u03c3\u03bf \u03b1\u03c5\u03c4\u03ae \u03c0\u03bf\u03c5 \u03c0\u03c5\u03c1\u03bf\u03b2\u03bf\u03bb\u03ae\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf. \u0386\u03bb\u03bb\u03bf\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03be\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c3\u03ae\u03bc\u03b1\u03bd\u03c4\u03b7 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03b5\u03af \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03cc\u03c1\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03b9\u03c1\u03b1\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03bf\u03c2.<\/p>\n<p><!--more-->\u03a4\u03bf \u03c0\u03b1\u03c1\u03cc\u03bd \u03ac\u03c1\u03b8\u03c1\u03bf \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03bd\u03c4\u03c5\u03c0\u03c9\u03c3\u03b9\u03b1\u03ba\u03bf\u03cd\u03c2 \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03b1\u03c6\u03ae \u03bb\u03cd\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b3\u03c1\u03af\u03c6\u03bf. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03b1\u03c1\u03c7\u03ae \u03c0\u03bf\u03c5 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c3\u03cd\u03b3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03c1\u03c7\u03ae \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03bf\u03c1\u03bc\u03ae\u03c2. \u0397 \u03c3\u03cd\u03b3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae (&#8220;\u03c0\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae&#8221;), \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03be\u03cd\u03bb\u03b9\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc. \u0397 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 (\u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae) \u03b4\u03b5\u03bd \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03bd\u03b5\u03bb\u03b1\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03b3\u03ba\u03c1\u03bf\u03cd\u03c3\u03b5\u03b9\u03c2. \u0388\u03c3\u03c4\u03c9 \u03cc\u03c4\u03b9 \u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03bf\u03c5 \u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 m \u03ba\u03b1\u03b9 \u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 M. \u03a4\u03cc\u03c4\u03b5 \u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae\u03c2 \u03bf\u03c1\u03bc\u03ae\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b7 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03bf\u03c1\u03bc\u03ae \u03c4\u03bf\u03c5 \u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03bf\u03c1\u03bc\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1-\u03b4\u03bf\u03ba\u03cc\u03c2.<\/p>\n<p><a name=\"id2626107288\"><\/a><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 19px;\"><span class=\"ql-right-eqno\"> (1) <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-499c297c6e9e209ec341491876a65679_l3.png\" height=\"19\" width=\"173\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;&#32; &#109;&#118;&#95;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#114;&#104;&#111;&#32;&#92;&#99;&#104;&#105;&#125;&#61;&#40;&#109;&#43;&#77;&#41;&#118;&#95;&#123;&#92;&#116;&#97;&#117;&#32;&#92;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#32;&#92;&#108;&#97;&#109;&#98;&#100;&#97;&#125; &#92;&#101;&#110;&#100;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p><a name=\"id1625664188\"><\/a><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 33px;\"><span class=\"ql-right-eqno\"> (2) <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-eed3409fa7e40a6b8b70a34022383ee1_l3.png\" height=\"33\" width=\"148\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;&#32; &#118;&#95;&#123;&#92;&#116;&#97;&#117;&#32;&#92;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#32;&#92;&#108;&#97;&#109;&#98;&#100;&#97;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#109;&#125;&#123;&#109;&#43;&#77;&#125;&#118;&#95;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#114;&#104;&#111;&#32;&#92;&#99;&#104;&#105;&#125; &#92;&#101;&#110;&#100;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<div id=\"attachment_3356\" style=\"width: 345px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/\u03b4\u03bf\u03ba\u03bf\u03af-1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-3356\" class=\" wp-image-3356\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/\u03b4\u03bf\u03ba\u03bf\u03af-1.jpg\" alt=\"\u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03ba\u03c4\u03c5\u03c0\u03ac \u03c4\u03b7 \u03bc\u03af\u03b1 \u03be\u03cd\u03bb\u03b9\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03ba\u03b1\u03b9 \u03b7 \u03ac\u03bb\u03bb\u03b7 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5\" width=\"335\" height=\"233\" \/><\/a><p id=\"caption-attachment-3356\" class=\"wp-caption-text\">\u0395\u03b9\u03ba. 1. \u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03ba\u03c4\u03c5\u03c0\u03ac \u03c4\u03b7 \u03bc\u03af\u03b1 \u03be\u03cd\u03bb\u03b9\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5<\/p><\/div>\n<p><strong>\u0388\u03c4\u03c3\u03b9, \u03b7 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03bc\u03ad\u03c3\u03c9\u03c2 \u03bc\u03b5\u03c4\u03ac \u03c4\u03bf \u03ba\u03c4\u03cd\u03c0\u03b7\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03b4\u03b5\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03bd \u03c4\u03bf \u03bc\u03c0\u03bb\u03bf\u03ba \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03ae \u03cc\u03c7\u03b9 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9.<\/strong>\u03a4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03c0\u03bf\u03c5 \u03c7\u03c4\u03c5\u03c0\u03ae\u03b8\u03b7\u03ba\u03b5 \u03ba\u03b1\u03c4&#8217; \u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03bd \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03b8\u03b1 \u03b1\u03bd\u03b5\u03b2\u03b5\u03af \u03c0\u03c1\u03bf\u03c2 \u03b5\u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03c0\u03bf\u03c5 \u03c7\u03c4\u03c5\u03c0\u03ae\u03b8\u03b7\u03ba\u03b5 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9.<\/p>\n<p><span style=\"font-size: 12pt;\"><strong>\u039c\u03b9\u03b1 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b1\u03c1\u03c7\u03ae \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c1\u03b7\u03c2<\/strong><\/span><\/p>\n<p>\u0395\u03ba\u03b5\u03af\u03bd\u03bf\u03b9 \u03c0\u03bf\u03c5 \u03b9\u03c3\u03c7\u03c5\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03b4\u03b5\u03bd \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03b5\u03af \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2, \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03c5\u03bd \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c4\u03bf \u03bd\u03cc\u03bc\u03bf \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7. \u03a0\u03c1\u03bf\u03c6\u03b1\u03bd\u03ce\u03c2, \u03c0\u03b9\u03c3\u03c4\u03b5\u03cd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03c4\u03bf \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03cc \u03c0\u03bf\u03c3\u03cc \u03c4\u03b7\u03c2 \u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03b7\u03b8\u03b5\u03af. \u0394\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1, \u03b8\u03b1 \u03ad\u03c7\u03b5\u03b9, \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03bd\u03ad\u03c0\u03b5\u03b9\u03b1, \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03ac\u03c1\u03b1 \u03b4\u03b5 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03b5\u03b9 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc \u03c0\u03bf\u03c5 \u03c7\u03c4\u03c5\u03c0\u03ae\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9. \u03a4\u03b1 \u03c3\u03b1\u03b8\u03c1\u03ac \u03b8\u03b5\u03bc\u03ad\u03bb\u03b9\u03b1 \u03b5\u03c0\u03af \u03c4\u03c9\u03bd \u03bf\u03c0\u03bf\u03af\u03c9\u03bd \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc\u03c2 \u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2, \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03bf\u03c6\u03b5\u03af\u03bb\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03ac\u03bb\u03bb\u03b7 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b1\u03bd\u03c4\u03af\u03bb\u03b7\u03c8\u03b7 \u03c4\u03bf\u03c5 \u03bd\u03cc\u03bc\u03bf\u03c5 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2, \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03b8\u03b5\u03af \u03c3\u03b5 \u03b4\u03cd\u03bf \u03bc\u03ad\u03c1\u03b7.<\/p>\n<p><strong>(\u03b1) \u0397 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1<\/strong> \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc \u03ba\u03b1\u03b9 \u03b4\u03af\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03b7\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.<br \/>\n<strong>(\u03b2) \u0391\u03ba\u03cc\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03c4\u03bf (\u03b1) \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bb\u03b7\u03b8\u03ad\u03c2<\/strong>, \u03c4\u03bf\u03c5\u03bb\u03ac\u03c7\u03b9\u03c3\u03c4\u03bf\u03bd \u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03ba\u03bb\u03ac\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 (\u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1) \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd, \u03b1\u03bd \u03bb\u03ac\u03b2\u03bf\u03c5\u03bc\u03b5 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c4\u03b7\u03c2.<\/p>\n<p><span style=\"font-size: 12pt;\"><strong>\u039a\u03b1\u03c4\u03ac\u03c1\u03c1\u03b9\u03c8\u03b7 \u03c4\u03bf\u03c5 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bd\u03cc\u03bc\u03bf \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 (\u03b1)<\/strong><\/span><\/p>\n<p>\u0391\u03c2 \u03b1\u03c0\u03bf\u03c1\u03c1\u03af\u03c8\u03bf\u03c5\u03bc\u03b5 \u03c0\u03c1\u03ce\u03c4\u03b1 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c3\u03c4\u03bf \u03bd\u03cc\u03bc\u03bf \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 (\u03b1). \u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03c7\u03ac\u03bd\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03c4\u03bf \u03c3\u03cd\u03bd\u03bf\u03bb\u03bf \u03c4\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03b5\u03af\u03c4\u03b5 \u03c3\u03c5\u03bc\u03c0\u03b9\u03ad\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03be\u03cd\u03bb\u03bf \u03ae \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03c4\u03c1\u03b9\u03b2\u03ae \u03bc&#8217; \u03b1\u03c5\u03c4\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc. \u039c\u03cc\u03bd\u03bf \u03bc\u03b9\u03b1 \u03b1\u03c3\u03ae\u03bc\u03b1\u03bd\u03c4\u03b7 \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03ae \u03cc\u03c7\u03b9.<\/p>\n<p>\u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03bf\u03b4\u03b5\u03b9\u03c7\u03b8\u03b5\u03af \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03bf \u03bb\u03cc\u03b3\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03b5\u03c1\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 &#8211; \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9:<\/p>\n<p><a name=\"id2902975998\"><\/a><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 48px;\"><span class=\"ql-right-eqno\"> (3) <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-8bebfd492908c6120158c2b4b9725d43_l3.png\" height=\"48\" width=\"169\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;&#32; &#92;&#108;&#97;&#109;&#98;&#100;&#97;&#32;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#40;&#109;&#43;&#77;&#41;&#40;&#118;&#95;&#123;&#92;&#116;&#97;&#117;&#32;&#92;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#32;&#92;&#108;&#97;&#109;&#98;&#100;&#97;&#125;&#41;&#94;&#50;&#125;&#123;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#109;&#40;&#118;&#95;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#114;&#104;&#111;&#32;&#92;&#99;&#104;&#105;&#125;&#41;&#94;&#50;&#125;&#125; &#92;&#101;&#110;&#100;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>\u0391\u03bd\u03c4\u03b9\u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd\u00a0(<a href=\"#id2902975998\">3<\/a>) \u03c4\u03b7 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-7c57aeb682660eaa32b7c8176364397a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#118;&#95;&#123;&#92;&#116;&#97;&#117;&#32;&#92;&#101;&#112;&#115;&#105;&#108;&#111;&#110;&#32;&#92;&#108;&#97;&#109;&#98;&#100;&#97;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"30\" style=\"vertical-align: -3px;\"\/> \u03b1\u03c0\u03cc \u03c4\u03b7 (<a href=\"#id1625664188\">2<\/a>) \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5:<\/p>\n<p><a name=\"id1145548147\"><\/a><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 33px;\"><span class=\"ql-right-eqno\"> (4) <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-66904f2bed60b060a0c2fb09dc1df8f8_l3.png\" height=\"33\" width=\"93\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;&#32; &#92;&#108;&#97;&#109;&#98;&#100;&#97;&#32;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#109;&#125;&#123;&#109;&#43;&#77;&#125; &#92;&#101;&#110;&#100;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>\u0391\u03c2 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1: \u039c\u03af\u03b1 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03c4\u03c9\u03bd 20gr \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 400 m \/ s \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-9c10fc84b0946d09a4b13cb2863e8013_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#109;&#118;&#94;&#50;&#61;&#49;&#54;&#48;&#48;&#32;&#74;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"155\" style=\"vertical-align: -6px;\"\/>. \u0395\u03af\u03c4\u03b5 \u03b7 \u03b2\u03bf\u03bb\u03ae \u03b3\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4&#8217; \u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03bd \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf (\u03c7\u03c9\u03c1\u03af\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae) \u03ae \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 (\u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae) \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 \u03be\u03cd\u03bb\u03b9\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc \u03b4\u03b9\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd 20 cm \u00d7 10 cm \u00d7 10 cm, \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 1,4 kg, \u03c4\u03bf 98,6% \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03b4\u03b5 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc \u03c9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.\u03a4\u03bf \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03bc\u03b1 \u03b4\u03bf\u03ba\u03cc\u03c2-\u03b2\u03bb\u03ae\u03bc\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03bc\u03cc\u03bd\u03bf\u00a0 23 J \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03cd 1600J \u03c9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1, \u0391\u03c5\u03c4\u03cc \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03b1\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b6\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd\u00a0(<a href=\"#id1145548147\">4<\/a>) \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03cc\u03c0\u03b9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u039a\u0395 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2:<\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 41px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-dcea36bbc574bc4ad8a6c1fec9bc5cb3_l3.png\" height=\"41\" width=\"224\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#108;&#97;&#109;&#98;&#100;&#97;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#48;&#44;&#48;&#50;&#107;&#103;&#125;&#123;&#48;&#44;&#48;&#50;&#107;&#103;&#43;&#49;&#44;&#52;&#107;&#103;&#125;&#61;&#48;&#44;&#48;&#49;&#52;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p> \u03ba\u03b1\u03b9 <\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 16px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-172393c9dc5ab498665e00dabb12d161_l3.png\" height=\"16\" width=\"234\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#75;&#69;&#95;&#123;&#92;&#115;&#105;&#103;&#109;&#97;&#32;&#118;&#32;&#92;&#115;&#105;&#103;&#109;&#97;&#125;&#61;&#48;&#44;&#48;&#49;&#52;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#49;&#54;&#48;&#48;&#74;&#61;&#50;&#51;&#74;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>\u0391\u03c5\u03c4\u03ae \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 (\u0394\u0395) \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 \u03bc\u03cc\u03bd\u03bf 1,6 .<\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 42px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-6c517bdacfbfa3e2f598275e2f855356_l3.png\" height=\"42\" width=\"451\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#69;&#61;&#75;&#69;&#32;&#92;&#76;&#101;&#102;&#116;&#114;&#105;&#103;&#104;&#116;&#97;&#114;&#114;&#111;&#119;&#32;&#32;&#104;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#75;&#69;&#125;&#123;&#40;&#109;&#43;&#77;&#41;&#103;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#50;&#51;&#74;&#125;&#123;&#49;&#44;&#52;&#50;&#107;&#103;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#57;&#44;&#56;&#109;&#47;&#115;&#94;&#50;&#125;&#61;&#49;&#44;&#54;&#109;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>.<\/p>\n<p>\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03ac\u03bb\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03c0\u03c1\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03c1\u03bf\u03bf\u03c0\u03c4\u03b9\u03ba\u03ae, \u03b1\u03bd \u03cc\u03bb\u03b7 \u03b7 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u039a\u0395 \u03c4\u03bf\u03c5 \u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03b1\u03c0\u03b5\u03af \u03c3\u03b5 \u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae \u0394\u0395, \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03b8\u03b1 \u03b1\u03bd\u03ad\u03bb\u03b8\u03b5\u03b9 \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 114m!<\/p>\n<p><span style=\"font-size: 12pt;\"><strong>\u039a\u03b1\u03c4\u03ac\u03c1\u03c1\u03b9\u03c8\u03b7 \u03c4\u03bf\u03c5 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd \u03b3\u03b9\u03b1 \u03c4\u03bf \u03bd\u03cc\u03bc\u03bf \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 (\u03b2)<\/strong><\/span><\/p>\n<p>\u0397 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9 \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03c7\u03c4\u03c5\u03c0\u03b9\u03ad\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf\u03c5 (\u03ad\u03ba\u03ba\u03b5\u03bd\u03c4\u03c1\u03b1). \u0391\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae\u03c2 \u03c3\u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc. \u0391\u03bd \u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03c7\u03c4\u03c5\u03c0\u03b7\u03b8\u03b5\u03af \u03ad\u03ba\u03ba\u03b5\u03bd\u03c4\u03c1\u03b1 \u03c3\u03c4\u03b7\u03bd \u03ac\u03ba\u03c1\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03c0\u03bb\u03bf\u03ba, \u03b7 \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03ac\u03be\u03bf\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03ad\u03c1\u03c7\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03bc\u03ac\u03b6\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03c3\u03c4\u03c1\u03bf\u03c6\u03bf\u03c1\u03bc\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd.<\/p>\n<p><a name=\"id3142035045\"><\/a><\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><span class=\"ql-right-eqno\"> (5) <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-5b7acf980bbc19c2d4e121b5fbb88d0f_l3.png\" height=\"18\" width=\"103\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;&#32; &#109;&#100;&#118;&#95;&#123;&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#92;&#114;&#104;&#111;&#32;&#92;&#99;&#104;&#105;&#125;&#61;&#73;&#32;&#92;&#111;&#109;&#101;&#103;&#97; &#92;&#101;&#110;&#100;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03ae \u03bc\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 d=0,1m \u03ba\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-eed49b7c1933863e666ac5c2f0d3c915_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#73;&#61;&#53;&#44;&#56;&#120;&#49;&#48;&#94;&#123;&#45;&#51;&#125;&#107;&#103;&#32;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#94;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"159\" style=\"vertical-align: -4px;\"\/> \u03c0\u03b1\u03af\u03c1\u03bd\u03bf\u03c5\u03bc\u03b5:<\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-32adba4655b55b36339f3aac317340a1_l3.png\" height=\"18\" width=\"105\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#111;&#109;&#101;&#103;&#97;&#61;&#49;&#51;&#56;&#114;&#97;&#100;&#47;&#115;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>\u039a\u03b1\u03b9 \u03b7 \u03c4\u03b9\u03bc\u03ae \u03b1\u03c5\u03c4\u03ae \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03b5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03bb\u03cc\u03b3\u03c9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd<\/p>\n<p class=\"ql-center-displayed-equation\" style=\"line-height: 36px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/viewonphysics.gr\/wp-content\/ql-cache\/quicklatex.com-026be7410c782637dedca59f435afdee_l3.png\" height=\"36\" width=\"93\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#091;&#92;&#102;&#114;&#97;&#99;&#123;&#49;&#125;&#123;&#50;&#125;&#73;&#32;&#92;&#111;&#109;&#101;&#103;&#97;&#94;&#50;&#61;&#53;&#53;&#74;&#92;&#093;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p>\n<p>\u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03ba\u03bb\u03ac\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c4\u03bf\u03c5 \u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03c4\u03b7\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 (\u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1). \u039b\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bc\u03c9\u03c2 <strong>\u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 (23J)<\/strong>, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2. \u03a4\u03bf \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03b1\u03c5\u03c4\u03cc \u03b5\u03be\u03b7\u03b3\u03b5\u03af \u03b3\u03b9\u03b1\u03c4\u03af \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03ac\u03bd\u03bf\u03b4\u03bf \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 \u03cd\u03c8\u03bf\u03c2. E\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd \u03cc\u03bc\u03c9\u03c2, \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1. \u03a3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c3\u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03ac \u03bc\u03b1\u03c2, \u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ae \u039a\u0395 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03b4\u03cd\u03bf \u03c6\u03bf\u03c1\u03ad\u03c2 \u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u039a\u0395! \u0388\u03c4\u03c3\u03b9, \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03ba\u03b1\u03bd\u03b5\u03af\u03c2 \u03bd\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03c4\u03bf &#8220;\u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03b1\u03bb\u03b7\u03b8\u03b9\u03bd\u03cc \u03c3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1&#8221; \u03cc\u03c4\u03b9 \u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c3\u03ae\u03bc\u03b1\u03bd\u03c4\u03b7 \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1. \u0395\u03ba\u03b5\u03af\u03bd\u03bf \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03af\u03b3\u03bf\u03c5\u03c1\u03b1 \u03c3\u03c9\u03c3\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b9 \u03c3&#8217; \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c3\u03ae\u03bc\u03b1\u03bd\u03c4\u03b7 \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2.<\/p>\n<p><strong>\u03a3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03af\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b4\u03b9\u03b5\u03b9\u03c3\u03b4\u03cd\u03b5\u03b9 \u03b2\u03b1\u03b8\u03cd\u03c4\u03b5\u03c1\u03b1;<\/strong><\/p>\n<p>\u0397 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03ba\u03b5\u03c1\u03b4\u03af\u03b6\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b1\u03c0\u03cc \u03cc, \u03c4\u03b9 \u03b7 \u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7. \u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03b7\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03b9\u03c3\u03b4\u03cd\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7 \u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc. \u03a0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03b5\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03b9\u03c3\u03b4\u03cd\u03b5\u03b9 \u03b2\u03b1\u03b8\u03cd\u03c4\u03b5\u03c1\u03b1 \u03c3\u03c4\u03b7 \u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc. \u0391\u03bb\u03bb\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac; \u0397 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c7\u03b9. \u03a3\u03ba\u03b5\u03c6\u03c4\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c3\u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03ac \u03bc\u03b1\u03c2 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9, \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b5\u03af\u03c7\u03b5 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u039a\u0395 1600 J. \u0397 \u039a\u0395 \u03c4\u03b7\u03c2 \u03bc\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 23 J. \u0391\u03c5\u03c4\u03cc \u03b1\u03c6\u03ae\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c0\u03cc\u03c3\u03bf 1.577 J \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03b9\u03c3\u03b4\u03cd\u03c3\u03b5\u03b9 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc. \u03a3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd, \u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u039a\u0395 \u03b5\u03af\u03bd\u03b1\u03b9 78 J (23J+55J), \u03b1\u03c6\u03ae\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 1,522 J \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03b9\u03c3\u03b4\u03cd\u03c3\u03b5\u03b9. \u0397 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf\u03c5 4% \u03c3\u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03bf\u03c0\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03bf\u03af\u03b3\u03b5\u03b9 \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c7\u03b5\u03b4\u03cc\u03bd \u03b1\u03b4\u03cd\u03bd\u03b1\u03c4\u03bf \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03c4\u03ae. \u03a0\u03b1\u03c1\u03b5\u03bc\u03c0\u03b9\u03c0\u03c4\u03cc\u03bd\u03c4\u03c9\u03c2, \u03c4\u03bf online \u03b2\u03af\u03bd\u03c4\u03b5\u03bf \u03ba\u03ac\u03bd\u03b5\u03b9 \u03ba\u03ac\u03c0\u03bf\u03b9\u03b5\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c6\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b7\u03bb\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ac\u03c0\u03bf\u03c8\u03b7 \u03b1\u03c5\u03c4\u03ae. \u03a3\u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae, \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b5\u03bd\u03c4\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2 \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03c1\u03c6\u03af \u03ba\u03b1\u03b9 \u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bc\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03c3\u03c4\u03b9\u03c2 \u03c4\u03c1\u03cd\u03c0\u03b5\u03c2. \u0397 \u03c4\u03c1\u03cd\u03c0\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5 \u03c6\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03cc\u03c4\u03b5\u03c1\u03b7. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03c0\u03af\u03c3\u03c9 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03b9\u03b4\u03b7\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03cc\u03c4\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03cc\u03c3\u03bf \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7. \u039f \u03bb\u03cc\u03b3\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03ba\u03bb\u03b9\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03c4\u03c1\u03cd\u03c0\u03b1 \u03c3\u03c4\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03c5\u03c1\u03c4\u03ae. \u03a3\u03c0\u03c1\u03ce\u03c7\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03c1\u03c6\u03af \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc \u03b8\u03b1 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03c4\u03c1\u03cd\u03c0\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03ae. \u039c\u03b9\u03b1 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03bc\u03b5 \u03b1\u03ba\u03c4\u03af\u03bd\u03b5\u03c2 x \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03cc \u03c0\u03bf\u03c5 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03bc\u03b1\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c3\u03c9\u03c3\u03c4\u03cc.<\/p>\n<p><strong><span style=\"font-size: 12pt;\">\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/span><\/strong><\/p>\n<p>\u039c\u03af\u03b1 \u03be\u03cd\u03bb\u03b9\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03b8\u03b1 \u03b1\u03bd\u03ad\u03bb\u03b8\u03b5\u03b9 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2, \u03b1\u03bd \u03b7 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03c4\u03b7 \u03c7\u03c4\u03c5\u03c0\u03ac \u03c3\u03c4\u03bf \u03ba\u03ad\u03bd\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03bd \u03c4\u03b7 \u03b8\u03ad\u03c4\u03b5\u03b9 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae\u03b9, \u03bc\u03b5 \u03c4\u03b7 \u03b4\u03bf\u03ba\u03cc \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03c7\u03c4\u03c5\u03c0\u03ac \u03ad\u03ba\u03ba\u03b5\u03bd\u03c4\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03b9. \u0391\u03c5\u03c4\u03cc \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c1\u03c7\u03ae \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae\u03c2 \u03bf\u03c1\u03bc\u03ae\u03c2. \u0397 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b4\u03bf\u03ba\u03cc\u03c2-\u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03c3\u03cd\u03b3\u03ba\u03c1\u03bf\u03c5\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03cc\u03bd\u03bf \u03ad\u03bd\u03b1 \u03b1\u03c3\u03ae\u03bc\u03b1\u03bd\u03c4\u03bf \u03ba\u03bb\u03ac\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1\u03c2. \u03a4\u03bf \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03bc\u03ad\u03c1\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03b1\u03c1\u03c7\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03af\u03c4\u03b5 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bc\u03c0\u03af\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03be\u03cd\u03bb\u03bf\u03c5 \u03b5\u03af\u03c4\u03b5 \u03c3\u03c4\u03bf \u03ad\u03c1\u03b3\u03bf \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03c4\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae \u03b8\u03b5\u03c1\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03cc\u03c3\u03bf \u03b4\u03b9\u03b5\u03b9\u03c3\u03b4\u03cd\u03b5\u03b9\u00a0 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03bf\u03ba\u03bf\u03cd. \u0391\u03c5\u03c4\u03cc \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9 \u03b5\u03af\u03c4\u03b5 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03b5\u03af\u03c4\u03b5 \u03cc\u03c7\u03b9. \u0397 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03b5\u03c6\u03cc\u03bc\u03b5\u03bd\u03b7 \u03b4\u03bf\u03ba\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b1\u03c0\u03cc \u03b5\u03ba\u03b5\u03af\u03bd\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03ad\u03c6\u03b5\u03c4\u03b1\u03b9. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2. \u0391\u03c5\u03c4\u03cc \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03b5\u03af \u03bc\u03b5 \u03c4\u03bf \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03b4\u03bf\u03ba\u03bf\u03af \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2.<\/p>\n<p>\u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u0393\u03b1\u03ca\u03c3\u03af\u03b4\u03b7\u03c2<\/p>\n<p><a href=\"&#x6d;&#x61;&#x69;&#108;to:&#x67;&#x61;&#x69;&#115;idi&#x73;&#x40;&#x76;&#105;ewo&#x6e;&#x70;&#x68;&#121;sic&#x73;&#x2e;&#x67;&#114;\">&#103;&#x61;&#105;&#x73;&#105;&#x64;&#105;&#x73;&#64;&#x76;i&#x65;w&#x6f;n&#x70;h&#x79;s&#x69;c&#x73;.&#x67;r<\/a><\/p>\n<p><span style=\"color: #333333;\"><a href=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/03\/img_1494.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2014\/03\/img_1494.jpg\" alt=\"img_1494\" width=\"140\" height=\"133\" \/><\/a> <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Physics Teacher By Asif Shakur, Salisbury University, Maryland US \u03a4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03ac\u03c1\u03b8\u03c1\u03bf \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1, \u03bc\u03b5 \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03c3\u03c7\u03bf\u03bb\u03b7\u03b8\u03bf\u03cd\u03bd \u03bf\u03b9 \u03bc\u03b1\u03b8\u03b7\u03c4\u03ad\u03c2 \u03c4\u03b7\u03c2 \u0393\u0384 \u039b\u03c5\u03ba\u03b5\u03af\u03bf\u03c5, \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03bc\u03c0\u03b5\u03b4\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c1\u03c7\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u039f\u03c1\u03bc\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u0395\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c4\u03c1\u03bf\u03c6\u03ae \u03c3\u03c4\u03b5\u03c1\u03b5\u03bf\u03cd \u03c3\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2. \u0394\u03af\u03bd\u03b5\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03c4\u03bf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3356,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[4,5],"tags":[],"class_list":["post-3287","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-4","category-5"],"jetpack_featured_media_url":"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2015\/05\/\u03b4\u03bf\u03ba\u03bf\u03af-1.jpg","jetpack_shortlink":"https:\/\/wp.me\/p4sIra-R1","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/3287","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=3287"}],"version-history":[{"count":91,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/3287\/revisions"}],"predecessor-version":[{"id":3400,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/posts\/3287\/revisions\/3400"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=\/wp\/v2\/media\/3356"}],"wp:attachment":[{"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3287"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3287"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/viewonphysics.gr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3287"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}