{"id":437316,"date":"2017-07-26T02:00:00","date_gmt":"2017-07-25T23:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=1d299f1e9017079435d25d66d38984b1"},"modified":"2017-07-26T02:00:00","modified_gmt":"2017-07-25T23:00:00","slug":"finding-the-acceleration-and-speed-of-a-light-emitting-object-on-an-inclined-plane-with-a-smartphonelight-sensor","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=437316","title":{"rendered":"Finding the acceleration and speed of a light-emitting object on an inclined plane with a smartphone\r\nlight sensor"},"content":{"rendered":"<p>This study investigates how the acceleration and speed of a light-emitting object on an inclined<br \/>\nplane may be determined using a smartphone\u2019s light sensor. A light-emitting object was released from<br \/>\nthe top of an inclined plane and its illuminance values were detected by a smartphone\u2019s light sensor<br \/>\nduring its subsequent motion down the plane. Using the illuminance and time values recorded by the<br \/>\nsmartphone, the distances between the sensor and the light-emitting object can be calculated. From<br \/>\nthese known distance and time values, the uniform acceleration and speed of the light-emitting<br \/>\nobject at any time could also be determined. A second method was also used to determine these<br \/>\nvalues, i.e. the analysis of video-recordings of the light-emitting object during its motion. The<br \/>\nvalues found by these two different methods were in good agreement. Thus, this experiment<br \/>\ndemonstrates that a smartphone\u2019s light sensor can be used as a reliable instrument to determine the<br \/>\nconstant accelerati&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This study investigates how the acceleration and speed of a light-emitting object on an inclined<br \/>\nplane may be determined using a smartphone\u2019s light sensor. A light-emitting object was released from<br \/>\nthe top of an inclined plane and its illuminance v&#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-437316","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\/437316","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=437316"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/437316\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=437316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=437316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=437316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}