{"id":477203,"date":"2017-09-13T02:00:00","date_gmt":"2017-09-12T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=c623fc34c978c037df9d6be464f9a6a9"},"modified":"2017-09-13T02:00:00","modified_gmt":"2017-09-12T23:00:00","slug":"speed-of-transverse-waves-in-a-string-revisited","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=477203","title":{"rendered":"Speed of transverse waves in a string revisited"},"content":{"rendered":"<p>In many introductory-level physics textbooks, the derivation of the formula for the speed of<br \/>\ntransverse waves in a string is either omitted altogether or presented under physically overly<br \/>\nidealized assumptions about the shape of the considered wave pulse and the related velocity and<br \/>\nacceleration distributions. In this paper, we derive the named formula by applying Newton\u2019s second<br \/>\nlaw or the work-energy theorem to a finite element of the string, making no assumptions about the<br \/>\nshape of the wave. We argue that the suggested method can help the student gain a deeper insight<br \/>\ninto the nature of waves and the related process of energy transport, as well as provide a new<br \/>\nexperience with the fundamental principles of mechanics as applied to extended and deformable<br \/>\nbodies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In many introductory-level physics textbooks, the derivation of the formula for the speed of<br \/>\ntransverse waves in a string is either omitted altogether or presented under physically overly<br \/>\nidealized assumptions about the shape of the considered wave p&#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-477203","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\/477203","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=477203"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/477203\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=477203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=477203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=477203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}