{"id":708,"date":"2019-11-16T13:29:59","date_gmt":"2019-11-16T11:29:59","guid":{"rendered":"http:\/\/www.joanillo.org\/?p=708"},"modified":"2020-10-01T13:31:21","modified_gmt":"2020-10-01T11:31:21","slug":"troballa-de-la-constant-de-gravitacio-g","status":"publish","type":"post","link":"https:\/\/www.joanillo.org\/?p=708","title":{"rendered":"Troballa de la constant de gravitaci\u00f3 g"},"content":{"rendered":"<p><a href=\"http:\/\/www.joanillo.org\/wp-content\/uploads\/2019\/10\/experiment_g.png\"><img loading=\"lazy\" src=\"http:\/\/www.joanillo.org\/wp-content\/uploads\/2019\/10\/experiment_g-230x300.png\" alt=\"\" title=\"experiment_g\" width=\"230\" height=\"300\" class=\"alignright size-medium wp-image-1995\"><\/a>Despr\u00e9s d&#8217;ajustaments diversos, ja estic en condicions de realitzar l&#8217;experiment del p\u00e8ndol per trobar la constant de la gravetat.<\/p>\n<p>He provat diferents tipus de sensors, i finalment em quedo amb uns sensors d&#8217;efecte Hall que detecten el pas de l&#8217;iman (el pes del p\u00e8ndol \u00e9s un iman). Encara em falten fer unes quantes millores. De fet, la f\u00f3rmula que fem servir (moviment harm\u00f2nic) nom\u00e9s \u00e9s v\u00e0lida quan <em>sin(x) = x<\/em>, i aix\u00f2 implica que l&#8217;estructura del moble ha de ser m\u00e9s gran i el cable m\u00e9s llarg, per poder limitar l&#8217;angle alfa, tot mantenint el per\u00edode del cicle.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Despr\u00e9s d&#8217;ajustaments diversos, ja estic en condicions de realitzar l&#8217;experiment del p\u00e8ndol per trobar la constant de la gravetat. He provat diferents tipus de sensors, i finalment em quedo amb uns sensors d&#8217;efecte Hall que detecten el pas de l&#8217;iman (el pes del p\u00e8ndol \u00e9s un iman). Encara em falten fer unes quantes millores. De [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,9,19,16,12],"tags":[],"_links":{"self":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts\/708"}],"collection":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=708"}],"version-history":[{"count":1,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts\/708\/revisions"}],"predecessor-version":[{"id":709,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=\/wp\/v2\/posts\/708\/revisions\/709"}],"wp:attachment":[{"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=708"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=708"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.joanillo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=708"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}