{"id":332872,"date":"2016-12-07T03:00:00","date_gmt":"2016-12-07T00:00:00","guid":{"rendered":"https:\/\/www.fyysika.ee\/?guid=9a72059bc34d3204c29eb1dbca46fd89"},"modified":"2016-12-07T03:00:00","modified_gmt":"2016-12-07T00:00:00","slug":"locating-gravitational-potential-energy-2","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=332872","title":{"rendered":"Locating gravitational potential energy"},"content":{"rendered":"<p>Where does gravitational potential energy reside when a ball is in the air? The perfectly correct<br \/>\nanswer is that it is located in the ball-Earth system. Still, mechanical energy conservation<br \/>\nproblems are routinely solved by assigning a potential energy to the ball alone. Provided here is a<br \/>\nproof that such an assignment introduces only an entirely undetectable error.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Where does gravitational potential energy reside when a ball is in the air? The perfectly correct<br \/>\nanswer is that it is located in the ball-Earth system. Still, mechanical energy conservation<br \/>\nproblems are routinely solved by assigning a potential ener&#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-332872","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\/332872","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=332872"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/332872\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=332872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=332872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=332872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}