{"id":93065,"date":"2015-06-10T03:00:00","date_gmt":"2015-06-10T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=135f8462ec6a03172cb814e9cf5fb47b"},"modified":"2015-06-10T03:00:00","modified_gmt":"2015-06-10T00:00:00","slug":"comment-on-the-pedagogical-value-of-the-four-dimensional-picture-i-relativistic-mechanics-ofpoint-particles","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=93065","title":{"rendered":"Comment on \u2018The pedagogical value of the four-dimensional picture: I. Relativistic mechanics of\r\npoint particles\u2019"},"content":{"rendered":"<p>A deductive approach to the relativistic law of motion presented by Kosyakov (2014 Eur. J. Phys. 35<br \/>\n[http:\/\/dx.doi.org\/0143-0807\/35\/2\/025012\/] 025012 ) is critically analysed. We point out that the<br \/>\nKosyakov argumentation is flawed and ineffective. On the other hand we show how an implicit<br \/>\nassumption made by the author could be used to perform a successful reasoning. Also, another method<br \/>\nto derive the relativistic equation of motion, in terms of Lorentz-invariant three-vectors, is<br \/>\nrecalled.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A deductive approach to the relativistic law of motion presented by Kosyakov (2014 Eur. J. Phys. 35<br \/>\n[http:\/\/dx.doi.org\/0143-0807\/35\/2\/025012\/] 025012 ) is critically analysed. We point out that the<br \/>\nKosyakov argumentation is flawed and ineffective. On&#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-93065","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\/93065","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=93065"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/93065\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=93065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=93065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=93065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}