{"id":34,"date":"2013-08-13T20:57:00","date_gmt":"2013-08-13T20:57:00","guid":{"rendered":"http:\/\/viewonphysics.gr\/?p=34"},"modified":"2016-04-08T13:09:02","modified_gmt":"2016-04-08T10:09:02","slug":"%ce%b4%cf%85%ce%bd%ce%b1%ce%bc%ce%b9%ce%ba%ce%ae-%ce%ba%ce%b9%ce%bd%ce%b7%cf%84%ce%b9%ce%ba%ce%ae-%ce%b5%ce%bd%ce%ad%cf%81%ce%b3%ce%b5%ce%b9%ce%b1","status":"publish","type":"post","link":"https:\/\/viewonphysics.gr\/?p=34","title":{"rendered":"\u0394\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae-\u039a\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u0395\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1"},"content":{"rendered":"<div dir=\"ltr\" style=\"text-align: left;\">\n<ol>\n<li><span style=\"font-family: Helvetica;\">\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c9\u03c3\u03c4\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7. \u0394\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b2\u03b1\u03c1\u03c5\u03c4\u03b9\u03ba\u03ae 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Helvetica;\">\u03a3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03c4\u03b5 \u03bc\u03b5 \u03a3 \u03ba\u03b1\u03b9 \u039b \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03c3\u03c9\u03c3\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c0\u03c1\u03bf\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1.<\/span>\n<ol>\n<li><span style=\"font-family: Helvetica;\">\u039f\u03c3\u03bf \u03c0\u03b9\u03bf \u03c8\u03b7\u03bb\u03ac \u03b1\u03bd\u03b5\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u039f\u03c4\u03b1\u03bd \u03c6\u03c1\u03b5\u03bd\u03ac\u03c1\u03b5\u03b9 \u03ad\u03bd\u03b1 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\u03cd\u03c8\u03bf\u03c2.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a4\u03bf\u03c5 \u03b1\u03c6\u03b1\u03b9\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b9\u03c3\u03ae \u03bc\u03ac\u03b6\u03b1.<\/span><\/li>\n<\/ol>\n<\/li>\n<li><span style=\"font-family: Helvetica;\">\u0398\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03ba\u03b9\u03b2\u03ce\u03c4\u03b9\u03bf \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03c1\u03cc\u03c4\u03c3\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c6\u03bf\u03c1\u03c4\u03b7\u03b3\u03bf\u03cd. \u0393\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ba\u03bf\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03b1\u03bd\u03af\u03b4\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b8\u03b1 \u03c3\u03c0\u03c1\u03ce\u03be\u03b5\u03c4\u03b5 \u03c4\u03bf \u03ba\u03b9\u03b2\u03ce\u03c4\u03b9\u03bf \u03ba\u03b1\u03b9 \u03b8\u03b1 \u03c4\u03bf \u03b1\u03bd\u03b5\u03b2\u03ac\u03c3\u03b5\u03c4\u03b5. \u0391\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03c4\u03c1\u03b9\u03b2\u03ad\u03c2. \u03a0\u03cc\u03c4\u03b5 \u03c4\u03bf \u03ba\u03b9\u03b2\u03ce\u03c4\u03b9\u03bf \u03b1\u03c0\u03bf\u03ba\u03c4\u03ac \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03b3\u03b5\u03b9\u03b1, \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03b1\u03bd\u03b5\u03b2\u03ac\u03b6\u03b5\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c3\u03b1\u03bd\u03af\u03b4\u03b1 1 \u03ae \u03c4\u03b7 2; \u03a3\u03b5 \u03c0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c3\u03b1\u03bd\u03af\u03b4\u03b5\u03c2 \u03b8\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b1\u03bb\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1; \u0394\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03c4\u03b5.<\/span>\n<div style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"id_7587_9324_3387_90d7\" style=\"height: 122px; margin-top: 4px; margin-bottom: 4px; width: 369px;\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2013\/08\/25255BUNSET-25255D34-300x96.jpg\" alt=\"\" width=\"300\" height=\"96\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 6<\/p><\/div>\n<p><!--more--><\/li>\n<li><span style=\"font-family: Helvetica;\">\u039f \u0393\u03b9\u03ce\u03c1\u03b3\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf \u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c3\u03ba\u03ad\u03c0\u03c4\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c6\u03af\u03bb\u03bf \u03c4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03bd \u039a\u03ce\u03c3\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03ad\u03bd\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd 4\u03bf \u03cc\u03c1\u03bf\u03c6\u03bf \u00a0<\/span><span style=\"font-family: Helvetica;\">\u03bc\u03b9\u03b1\u03c2 \u03c0\u03bf\u03bb\u03c5\u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b1\u03c2. \u039f \u0393\u03b9\u03ce\u03c1\u03b3\u03bf\u03c2 \u03b1\u03c0\u03bf\u03c6\u03b1\u03c3\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03b5\u03af \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03bc\u03ad\u03c1\u03b9\u03c3\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c6\u03af\u03bb\u03bf\u03c5 \u03c4\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03b1\u03c3\u03b1\u03bd\u03c3\u03ad\u03c1, \u03b5\u03bd\u03ce \u03bf \u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2, \u03c7\u03ac\u03c1\u03b9\u03bd \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7\u03c2, \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c3\u03ba\u03ac\u03bb\u03b5\u03c2. \u039f \u0393\u03b9\u03ce\u03c1\u03b3\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf \u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u03cc\u03c4\u03b1\u03bd \u03c6\u03c4\u03ac\u03bd\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03bd 4\u03bf \u03cc\u03c1\u03bf\u03c6\u03bf \u03ad\u03c7\u03bf\u03c5\u03bd \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1. \u0393\u03b9\u03b1\u03c4\u03af; \u0391\u03bd \u03cc\u03bc\u03c9\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1, \u03b3\u03b9\u03b1\u03c4\u03af \u03bf \u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u03b1\u03b9\u03c3\u03b8\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b9\u03bf \u03ba\u03bf\u03c5\u03c1\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf \u0393\u03b9\u03ce\u03c1\u03b3\u03bf; \u0391\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c4\u03bf \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b5\u03c2 \u03ad\u03c1\u03b3\u03bf \u03ba\u03b1\u03b9 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1. \u03a5\u03c0\u03bf\u03b8\u03ad\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03bf \u0393\u03b9\u03ce\u03c1\u03b3\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf \u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03bc\u03ac\u03b6\u03b1.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u0388\u03bd\u03b1 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ac\u03ba\u03b9 \u03c4\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b4\u03af\u03c0\u03bb\u03b1 \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03bc\u03b5 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1. \u03a0\u03bf\u03b9\u03bf \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b4\u03cd\u03bf \u03bf\u03c7\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af;<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u0394\u03cd\u03bf \u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03bc\u03b5\u03c4\u03b1\u03bb\u03bb\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c6\u03b1\u03af\u03c1\u03b5\u03c2 \u0391 \u03ba\u03b1\u03b9 \u0392 \u03b5\u03ba\u03c4\u03bf\u03be\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1, \u03b7 \u03bc\u03b5\u03bd \u0391 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03b7 \u03b4\u03b5 \u0392 \u03bf\u03c1\u03b9\u03b6\u03cc\u03bd\u03c4\u03b9\u03b1 \u03c0\u03ac\u03bd\u03c9 \u03c3\u03c4\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf. \u03a0\u03bf\u03b9\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b4\u03cd\u03bf \u03c6\u03b5\u03cd\u03b3\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1; \u00a0\u0394\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03ae \u03c3\u03b1\u03c2.\u00a0\u00a0 <\/span>\n<p><div style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"id_4cf_1c78_1de7_26cb\" style=\"height: 123px; margin-top: 4px; margin-bottom: 4px; width: 287px;\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2013\/08\/25255BUNSET-25255D35-300x127.jpg\" alt=\"\" width=\"300\" height=\"127\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 9<\/p><\/div><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a0\u03cc\u03c3\u03b7 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03af\u03b1 \u03b3\u03bb\u03ac\u03c3\u03c4\u03c1\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03bc\u03c0\u03b1\u03bb\u03ba\u03cc\u03bd\u03b9 \u03c4\u03bf\u03c5 3\u03bf\u03c5 \u03bf\u03c1\u03cc\u03c6\u03bf\u03c5 \u03c0\u03bf\u03bb\u03c5\u03ba\u03b1\u03c4\u03bf\u03b9\u03ba\u03af\u03b1\u03c2; \u0394\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9: \u03bc\u03ac\u03b6\u03b1 \u03c4\u03b7\u03c2 \u03b3\u03bb\u03ac\u03c3\u03c4\u03c1\u03b1\u03c2=3kg, \u03cd\u03c8\u03bf\u03c2 \u03bc\u03c0\u03b1\u03bb\u03ba\u03bf\u03bd\u03b9\u03bf\u03cd \u03b1\u03c0\u03cc \u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2=12m \u03ba\u03b1\u03b9 g=10m\/s<sup>2<\/sup>.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u039f \u039a\u03c1\u03b9\u03c3\u03c4\u03b9\u03ac\u03bd \u03a1\u03bf\u03bd\u03ac\u03bb\u03bd\u03c4\u03bf \u03c3\u03b5 \u03bc\u03af\u03b1 \u03b5\u03ba\u03c4\u03ad\u03bb\u03b5\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03c6\u03ac\u03bf\u03c5\u03bb \u03c3\u03bf\u03cd\u03c4\u03b1\u03c1\u03b5, \u03b4\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u00a0\u03c3\u03c4\u03b7\u03bd \u03bc\u03c0\u03ac\u03bb\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 144km\/h. \u03a0\u03cc\u03c3\u03b7 \u03ae\u03c4\u03b1\u03bd \u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03ae\u03c1\u03b5 \u03b7 \u03bc\u03c0\u03ac\u03bb\u03b1; \u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03ac\u03b6\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03c0\u03ac\u03bb\u03b1\u03c2=450gr.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a3\u03b5 \u03b1\u03b3\u03ce\u03bd\u03b1 \u03ac\u03c1\u03c3\u03b7\u03c2 \u03b2\u03b1\u03c1\u03ce\u03bd \u03bf \u03c0\u03c1\u03ce\u03c4\u03bf\u03c2 \u03c3\u03ae\u03ba\u03c9\u03c3\u03b5 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 155kg, \u03b5\u03bd\u03ce \u03bf \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf\u03c2 150kg. \u03a0\u03bf\u03b9\u03bf\u03c2 \u03cc\u03bc\u03c9\u03c2 \u03be\u03cc\u03b4\u03b5\u03c8\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c0\u03ac\u03b8\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5; \u0394\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9: \u03c4\u03b1 \u03cd\u03c8\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03ae\u03bb\u03b8\u03b1\u03bd \u03c4\u03b1 \u03b2\u03ac\u03c1\u03b7 \u03ae\u03c4\u03b1\u03bd 1,75m \u03ba\u03b1\u03b9 1,85m \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c0\u03c1\u03ce\u03c4\u03bf \u03ba\u03b1\u03b9 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf \u03b1\u03b8\u03bb\u03b7\u03c4\u03ae \u03ba\u03b1\u03b9 g=10m\/s<sup>2<\/sup>. \u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03b1\u03c0\u03cc \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bb\u03b7\u03c6\u03b8\u03b5\u03af\u03c4\u03b5 \u03b3\u03b9\u03b1\u03c4\u03af \u03bf\u03b9 \u03b2\u03c1\u03b1\u03c7\u03cd\u03c3\u03c9\u03bc\u03bf\u03b9 \u03b1\u03b8\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03bb\u03b5\u03bf\u03bd\u03ad\u03ba\u03c4\u03b7\u03bc\u03b1 \u03c3\u03c4\u03b7\u03bd \u03ac\u03c1\u03c3\u03b7 \u03b2\u03b1\u03c1\u03ce\u03bd;<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u0395\u03bd\u03b1\u03c2 \u03b5\u03c1\u03b3\u03ac\u03c4\u03b7\u03c2 \u03b8\u03ad\u03bb\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03ac\u03c3\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 60kg \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 3m \u03bc\u03b5 \u03c4\u03b7 \u03b2\u03bf\u03ae\u03b8\u03b5\u03b9\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03c7\u03bf\u03b9\u03bd\u03b9\u03bf\u03cd, \u03bc\u03ad\u03c3\u03c9 \u03bc\u03b9\u03b1\u03c2 \u03c4\u03c1\u03bf\u03c7\u03b1\u03bb\u03af\u03b1\u03c2. \u0393\u03b9\u03b1 \u03c4\u03bf \u03c3\u03ba\u03bf\u03c0\u03cc \u03b1\u03c5\u03c4\u03cc \u03bc\u03b5\u03c4\u03b1\u03b2\u03b9\u03b2\u03ac\u03b6\u03b5\u03b9 \u03c3\u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 1500J, \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03ad\u03c1\u03b3\u03bf\u03c5 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2 F \u03c0\u03bf\u03c5 \u03b1\u03c3\u03ba\u03b5\u03af \u03c3\u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7 \u03ac\u03ba\u03c1\u03b7. \u039c\u03ad\u03c7\u03c1\u03b9 \u03c0\u03bf\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 \u03ba\u03b1\u03c4\u03ac\u03c6\u03b5\u03c1\u03b5 \u03bd\u03b1 \u03b1\u03bd\u03b5\u03b2\u03ac\u03c3\u03b5\u03b9 \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf; \u03a0\u03ad\u03c4\u03c5\u03c7\u03b5 \u03c4\u03bf \u03c3\u03c4\u03cc\u03c7\u03bf \u03c4\u03c9\u03bd 3m; \u00a0\u0391\u03bd \u03cc\u03c7\u03b9 \u03c0\u03cc\u03c3\u03b7 \u03b5\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03ad\u03c0\u03c1\u03b5\u03c0\u03b5 \u03bd\u03b1 \u03b4\u03ce\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf;<\/span>\n<p><div style=\"width: 202px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"id_d010_5300_feae_b82a\" style=\"height: 258px; margin-top: 4px; margin-bottom: 4px; width: 167px;\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2013\/08\/25255BUNSET-25255D36-192x300.jpg\" alt=\"\" width=\"192\" height=\"300\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 13<\/p><\/div><\/li>\n<li><span style=\"font-family: Helvetica;\">\u0395\u03c7\u03bf\u03c5\u03bc\u03b5 \u03b4\u03ce\u03c3\u03b5\u03b9 \u03c3 \u03ad\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 8kg \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 900J. \u039c\u03b5 \u03c0\u03cc\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9; \u0391\u03bd \u03b1\u03c5\u03c4\u03ae \u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b3\u03b9\u03bd\u03cc\u03c4\u03b1\u03bd \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae, \u03c0\u03cc\u03c3\u03bf \u03c8\u03b7\u03bb\u03ac \u03b8\u03b1 \u03b1\u03bd\u03ad\u03b2\u03b1\u03b9\u03bd\u03b5 \u03c4\u03bf \u03c3\u03ce\u03bc\u03b1; g=10m\/s<sup>2<\/sup>.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u0388\u03bd\u03b1 \u03c3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 10kg \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b1\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c3\u03b5 \u03cd\u03c8\u03bf\u03c2 1,25m. \u0391\u03bd \u03cc\u03bb\u03b7 \u03b7 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03b5\u03c0\u03cc\u03c4\u03b1\u03bd \u03c3\u03b5 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae, \u03bc\u03b5 \u03c0\u03cc\u03c3\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b8\u03b1 \u03ba\u03b9\u03bd\u03b9\u03cc\u03c4\u03b1\u03bd; g=10\u03bc\/s<sup>2<\/sup>.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u039f\u03b9 \u03b4\u03cd\u03bf \u03c3\u03c6\u03b1\u03af\u03c1\u03b5\u03c2 \u0391 \u03ba\u03b1\u03b9 \u0392, \u03bc\u03b5 \u03bc\u03ac\u03b6\u03b5\u03c2 m<sub>1<\/sub>=5kg\u00a0\u03ba\u03b1\u03b9 m<sub>2<\/sub>=10kg\u00a0\u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1,\u00a0\u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03ba\u03cc\u03c1\u03c5\u03c6\u03b1. \u0397 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1 \u0391 \u03b2\u03c1\u03af\u03c3\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03bf\u03b4\u03bf \u03b5\u03bd\u03ce \u03b7 \u0392 \u03c3\u03b5 \u03ac\u03bd\u03bf\u03b4\u03bf. \u039a\u03ac\u03c0\u03bf\u03b9\u03b1 \u03c3\u03c4\u03b9\u03b3\u03bc\u03ae \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03af\u03b4\u03b9\u03bf \u03cd\u03c8\u03bf\u03c2 h=3m \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03b1 \u03c5<sub>1<\/sub>=8m\/s \u03ba\u03b1\u03b9 \u03c5<sub>2<\/sub>=3m\/s. \u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b5\u03c2 \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c3\u03c6\u03b1\u03b9\u03c1\u03ce\u03bd \u03c3\u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 h. \u03a0\u03cc\u03c3\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c6\u03b1\u03af\u03c1\u03b1; \u00a0\u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 g=10m\/s<sup>2<\/sup>.\u00a0 <\/span>\n<p><div style=\"width: 285px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"id_d4c1_fd3d_58c5_82b9\" style=\"height: 244px; margin-top: 4px; margin-bottom: 4px; width: 225px;\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2013\/08\/25255BUNSET-25255D37-275x300.jpg\" alt=\"\" width=\"275\" height=\"300\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 16<\/p><\/div><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a3\u03b5 \u03c0\u03cc\u03c3\u03bf \u03cd\u03c8\u03bf\u03c2 h \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03ad\u03b4\u03b1\u03c6\u03bf\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03bc\u03ac\u03b6\u03b1\u03c2 10kg \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 300J; <\/span><span style=\"font-family: Helvetica;\">\u0391\u03bd \u03b1\u03c6\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf \u03b1\u03bd\u03c4\u03b9\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03bf \u03bd\u03b1 \u03c0\u03ad\u03c3\u03b5\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03b1\u03c5\u03c4\u03cc, \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03bb\u03ac\u03b2\u03bf\u03c5\u03bc\u03b5 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03ad\u03c1\u03b1, \u03c0\u03cc\u03c3\u03bf \u03ad\u03c1\u03b3\u03bf \u03b8\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c7\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03bf \u03b2\u03ac\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5;\u00a0<\/span><span style=\"-webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); font-family: Helvetica;\">g=10m\/s<\/span><sup style=\"-webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); font-family: Helvetica;\">2<\/sup><span style=\"-webkit-composition-fill-color: rgba(175, 192, 227, 0.230469); -webkit-composition-frame-color: rgba(77, 128, 180, 0.230469); -webkit-tap-highlight-color: rgba(26, 26, 26, 0.296875); font-family: Helvetica;\">.<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a0\u03cc\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03ae\u03c4\u03bf\u03c5 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03bc\u03ac\u03b6\u03b1 1,2tn \u03ba\u03b1\u03b9 \u03c4\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5 72km\/h; \u0391\u03bd \u03c4\u03bf \u03b1\u03c5\u03c4\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c6\u03c1\u03b5\u03bd\u03ac\u03c1\u03b5\u03b9 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03bc\u03b1\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c0\u03bf\u03c5 \u03be\u03bf\u03b4\u03b5\u03cd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03b1\u03c5\u03c4\u03ae;<\/span><\/li>\n<li><span style=\"font-family: Helvetica;\">\u03a3\u03ce\u03bc\u03b1 \u03bc\u03ac\u03b6\u03b1\u03c2 2kg \u03ba\u03b9\u03bd\u03b5\u03af\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 10m\/s \u03c0\u03ac\u03bd\u03c9 \u03c3\u03b5 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\u00a0\u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03c1\u03ae\u03ba\u03b1\u03c4\u03b5 \u03bc\u03b5 \u03b1\u03c5\u03c4\u03ae\u03bd \u03c4\u03bf\u03c5 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 3 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7\u03c2 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7\u03c2. \u0394\u03ce\u03c3\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03be\u03ae\u03b3\u03b7\u03c3\u03b7 (\u03b5\u03bd\u03b5\u03c1\u03b3\u03b5\u03b9\u03b1\u03ba\u03ac) \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2.<\/span>\n<p><div style=\"width: 310px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" id=\"id_1186_24b4_32d7_af5b\" style=\"height: 138px; margin-top: 4px; margin-bottom: 4px; width: 412px;\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2013\/08\/25255BUNSET-25255D39-300x99.jpg\" alt=\"\" width=\"300\" height=\"99\" \/><p class=\"wp-caption-text\">\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 20<\/p><\/div><\/li>\n<\/ol>\n<p>\u0393\u03b9\u03ac\u03bd\u03bd\u03b7\u03c2 \u0393\u03b1\u03ca\u03c3\u03af\u03b4\u03b7\u03c2<br \/>\n<a href=\"&#x6d;&#97;i&#x6c;&#x74;o:&#x67;&#97;i&#x73;&#x69;di&#x73;&#64;v&#x69;&#x65;&#119;o&#x6e;&#x70;h&#x79;&#x73;&#105;c&#x73;&#x2e;gr\">g&#97;&#x69;si&#x64;&#x69;s&#64;&#x76;&#x69;e&#119;&#x6f;np&#x68;&#x79;s&#105;&#x63;&#x73;.&#103;&#x72;<\/a><br \/>\n<img loading=\"lazy\" decoding=\"async\" id=\"id_416_e50e_6de7_ffbb\" style=\"height: 175px; margin: 4px; width: 211px;\" title=\"\" src=\"https:\/\/viewonphysics.gr\/wp-content\/uploads\/2013\/08\/25255BUNSET-25255D40.jpg\" alt=\"\" width=\"221\" height=\"184\" 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