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@This document (2.4 Riddle 4 - Same path or different path?) is re-created by black-shark-cc on 19 April 2017
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    "content": "<h1>The role of the observer</h1>\r\n\r\n<blockquote>\r\n<p><span style=\"font-size:20px;\">Is it possible that two people in different positions with respect to a moving object will describe the event differently?</span></p>\r\n</blockquote>\r\n\r\n<p><br />\r\n<span style=\"font-size:20px;\">Please watch the video below and look at the motion of the ball.</span><br />\r\n<br />\r\n<script type=\"text/javascript\" src=\"/static/ndf/bower_components/videojs/dist/video.min.js\"></script> <script type=\"text/javascript\" src=\"/static/ndf/bower_components/videojs/dist/video.js\"></script></p>\r\n\r\n<div>\r\n<div class=\"video-player-area\" id=\"video-player-5a8a877c69602a0154bd2c9d\">\r\n<div class=\"vidbak\">\r\n<video class=\"video-js vjs-skin-colors-clix vjs-big-play-button center\" controls=\"controls\" data-setup=\"{ &quot;playbackRates&quot;: [0.5, 1, 1.5, 2] }\" height=\"360\" id=\"5a8a877c69602a0154bd2c9d\" width=\"480\"><source codecs=\"avc1.42E01E, mp4a.40.2\" crossorigin=\"anonymous\" preload=\"metadata\" src=\"/media/2/5/f/b271860c156994eb7df84306d9b5682431723c6fe28b94bd0c8d7a896142b.mp4\" type=\"video/mp4\" /> <script>\r\n\t\t\tfunction myFunction() { \r\n\t\t\t    var vid = document.getElementById(id);\r\n\t\t\t    document.getElementById(\"mySpan\").innerHTML = \"Seeking: \" + vid.seeking;\r\n\t\t\t} \r\n\t\t\tfunction togglerTranscript(a){\r\n                $(a).next(\".transcript-data\").toggleClass(\"hide\");\r\n            };\r\n         \r\n\t\t\t</script> <!-- adding captions in different language--></video>\r\n</div>\r\n</div>\r\n</div>\r\n\r\n<p style=\"text-align: center;\"><strong style=\"font-size: 18px; text-align: center;\">Video 2.4: Riddle 4</strong></p>\r\n\r\n<p><br />\r\n<span style=\"font-size:20px;\">One person is observing the ball from above the person&nbsp;throwing it on the ground, while also moving with the vehicle.<br />\r\n<br />\r\nWhereas the other person&nbsp;observing the same action&nbsp;is&nbsp;standing&nbsp;on the road.</span></p>\r\n\r\n<blockquote>\r\n<p><span style=\"font-size:20px;\"><span style=\"font-family:&quot;Times New Roman&quot;\"><span style=\"font-family:Arial\"><span style=\"color:black\">Will their descriptions of the path of the ball be the same or different? </span></span></span></span></p>\r\n</blockquote>\r\n\r\n<p><span style=\"font-size:20px;\">Two persons located&nbsp;in different positions with respect to the same action&nbsp;will always see the action differently. They will describe the motion from&nbsp;their view. Therefore, their&nbsp;description will be different.</span><br />\r\n<br />\r\n&nbsp;</p>\r\n",
    "content_org": "<h1><span style=\"font-size:20px;\">The role of the osberver</span></h1>\r\n\r\n<blockquote>\r\n<p><br />\r\n<span style=\"font-size:20px;\">Is it possible that two people in different position with respect to the action will describe the event differently?</span></p>\r\n</blockquote>\r\n\r\n<p><br />\r\n<span style=\"font-size:20px;\">Please watch the video below and watch the motion of the ball.<br />\r\n<br />\r\nOne person is watching the ball being dropped from above the person throwing it on the ground. and the other person is watching it while standing still on the road.</span><br />\r\n<br />\r\n&nbsp;</p>\r\n\r\n<blockquote>\r\n<p>Can the description of the path the ball takes by two observers will be the same?</p>\r\n</blockquote>\r\n\r\n<p><span style=\"font-size:20px;\">Two persons situated in different position will always see the action differently and describe the motion as per their view point. therefore there description will be different.</span><br />\r\n<br />\r\n<br />\r\n<br />\r\n<br />\r\n&nbsp;</p>",
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