{"id":80208,"date":"2015-04-23T03:00:00","date_gmt":"2015-04-23T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=e5c71ee0dfb0b4b8e3b72ef766d8ea4e"},"modified":"2015-04-23T03:00:00","modified_gmt":"2015-04-23T00:00:00","slug":"spreadsheet-application-showing-the-proper-elevation-angle-points-of-shot-and-impact-of-aprojectile","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=80208","title":{"rendered":"Spreadsheet application showing the proper elevation angle, points of shot and impact of a\r\nprojectile"},"content":{"rendered":"<p>This paper provides the formula for the elevation angle at which a projectile has to be fired in a<br \/>\nvacuum from a general position to hit a target at a given distance. A spreadsheet application that<br \/>\nmodels the trajectory is presented, and the problem of finding the points of shot and impact of a<br \/>\nprojectile moving in a vacuum if three points of the trajectory are known is solved and modelled by<br \/>\nanother interactive application. A Gaussian elimination method is used to solve the system of linear<br \/>\nequations\u00a0that gives the trajectory parameters. These applications were developed with 30<br \/>\nhigh-school students, who were given a questionnaire to find out their opinion of the lessons.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This paper provides the formula for the elevation angle at which a projectile has to be fired in a<br \/>\nvacuum from a general position to hit a target at a given distance. A spreadsheet application that<br \/>\nmodels the trajectory is presented, and the problem &#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-80208","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\/80208","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=80208"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/80208\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=80208"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=80208"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=80208"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}