{"id":"fizyka-2007-maj-matura-podstawowa/zad/18.1","paper_id":"fizyka-2007-maj-matura-podstawowa","number":"18.1","points":2,"ptype":"open","subject":"fizyka","category":"matura","year":2007,"month":"maj","level":"podstawowa","text":"Oblicz długość tego wahadła.\n\n[odp_otwarta]","answer":null,"answer_text":null,"solution":"$l = 0{,}5 \\text{ m}$","image":null,"solution_image":null,"topics":"Ruch harmoniczny","page_from":null,"source":"zadaniazmatur","answer_source":null,"answer_text_source":null,"solution_source":"zadaniazmatur","text_source":"zadaniazmatur","source_label":"Fizyka · Matura · maj 2007 (podstawowa)","subject_label":"Fizyka","category_label":"Matura","text_html":"<p>Oblicz długość tego wahadła.</p>\n<p>[odp_otwarta]</p>","solutions":[{"source":"zadaniazmatur","label":"zadaniazmatur.pl","kind":"text","html":"<p>$l = 0{,}5 \\text{ m}$</p>"}]}