{"id":407823,"date":"2017-05-11T02:00:00","date_gmt":"2017-05-10T23:00:00","guid":{"rendered":"https:\/\/www.fyysika.ee\/?guid=e8154b594d5d2aba22761ff12ac1f257"},"modified":"2017-05-11T02:00:00","modified_gmt":"2017-05-10T23:00:00","slug":"a-comparative-study-of-two-types-of-ball-on-ball-collision-2","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=407823","title":{"rendered":"A comparative study of two types of ball-on-ball collision"},"content":{"rendered":"<p>This paper describes three methods of measuring the coefficient of restitution (CoR) for two<br \/>\ndifferent types of ball-on-ball collision. The first collision type (for which two different CoR<br \/>\nmeasurement procedures are described) is a static, hanging steel ball forming part of a Newton\u2019s<br \/>\ncradle arrangement, which is then hit by its adjacent identical ball, swinging down from an angle.<br \/>\nThe second scenario (for which one CoR measurement procedure is described) is a snooker ball<br \/>\ninteraction in which the cue ball rolls in, and collides with, a static coloured ball (both balls<br \/>\nbeing of a resin composition). The investigation requires only readily available and inexpensive<br \/>\nequipment, together with an open-source video analysis programme, called \u2018 Tracker \u2019 2 . Perhaps<br \/>\nsurprisingly, the experiment yields widely differing CoR values for the two types of interaction.<br \/>\nThis variance cannot be solely accounted for by the difference in physical properties of the res&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This paper describes three methods of measuring the coefficient of restitution (CoR) for two<br \/>\ndifferent types of ball-on-ball collision. The first collision type (for which two different CoR<br \/>\nmeasurement procedures are described) is a static, hanging s&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-407823","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/407823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=407823"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/407823\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=407823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=407823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=407823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}