{"id":7905,"date":"2023-08-18T09:45:38","date_gmt":"2023-08-18T07:45:38","guid":{"rendered":"https:\/\/fizikaimatematika.com\/courses\/fizika-zadaci-osmi-razred-oscilatorno-i-talasno-kretanje\/lesson\/31-zadatak-zvuk-se-krece-kroz-neki-gas-brzinom\/"},"modified":"2023-08-18T09:45:38","modified_gmt":"2023-08-18T07:45:38","slug":"31-zadatak-zvuk-se-krece-kroz-neki-gas-brzinom","status":"publish","type":"lesson","link":"https:\/\/fizikaimatematika.com\/courses\/fizika-zadaci-osmi-razred-oscilatorno-i-talasno-kretanje\/lesson\/31-zadatak-zvuk-se-krece-kroz-neki-gas-brzinom\/","title":{"rendered":"31. zadatak: Zvuk se krec\u0301e kroz neki gas brzinom &#8230;"},"content":{"rendered":"<ul>\n<li>\u0417\u0432\u0443\u043a \u0441\u0435 \u043a\u0440\u0435\u045b\u0435 \u043a\u0440\u043e\u0437 \u043d\u0435\u043a\u0438 \u0433\u0430\u0441 \u0431\u0440\u0437\u0438\u043d\u043e\u043c v<sub>1<\/sub> = 200 m\/s \u0430 \u043a\u0440\u043e\u0437 \u0434\u0440\u0443\u0433\u0438 \u0433\u0430\u0441 \u0431\u0440\u0437\u0438\u043d\u043e\u043c v<sub>2<\/sub>= 300 m\/s. \u0410\u043a\u043e \u0441\u0443 \u0444\u0440\u0435\u043a\u0432\u0435\u043d\u0446\u0438\u0458\u0435 \u0443 \u043e\u0431\u0430 \u0441\u043b\u0443\u0447\u0430\u0458\u0430 \u0458\u0435\u0434\u043d\u0430\u043a\u0435, \u0430 \u0442\u0430\u043b\u0430\u0441\u043d\u0430 \u0434\u0443\u0436\u0438\u043d\u0430 \u043f\u0440\u0438 \u043a\u0440\u0435\u0442\u0430\u045a\u0443 \u0437\u0432\u0443\u043a\u0430 \u043a\u0440\u043e\u0437 \u043f\u0440\u0432\u0438 \u0433\u0430\u0441 \u0458\u0435 \u03bb<sub>1<\/sub>=10 cm, \u043e\u0434\u0440\u0435\u0434\u0438\u0442\u0438 \u0442\u0430\u043b\u0430\u0441\u043d\u0443 \u0434\u0443\u0436\u0438\u043d\u0443 \u043f\u0440\u0438 \u043a\u0440\u0435\u0442\u0430\u045a\u0443 \u0437\u0432\u0443\u043a\u0430 \u043a\u0440\u043e\u0437 \u0434\u0440\u0443\u0433\u0438 \u0433\u0430\u0441.<\/li>\n<li>Zvuk se krec\u0301e kroz neki gas brzinom v<sub>1<\/sub> = 200 m\/s a kroz drugi gas brzinom v<sub>2<\/sub>= 300 m\/s. Ako su frekvencije u oba slu\u010daja jednake, a talasna du\u017eina pri kretanju zvuka kroz prvi gas je \u03bb<sub>1<\/sub>=10 cm, odrediti talasnu du\u017einu pri kretanju zvuka kroz drugi gas.<\/li>\n<\/ul>\n","protected":false},"comment_status":"open","ping_status":"closed","template":"","_links":{"self":[{"href":"https:\/\/fizikaimatematika.com\/index.php\/wp-json\/wp\/v2\/lesson\/7905"}],"collection":[{"href":"https:\/\/fizikaimatematika.com\/index.php\/wp-json\/wp\/v2\/lesson"}],"about":[{"href":"https:\/\/fizikaimatematika.com\/index.php\/wp-json\/wp\/v2\/types\/lesson"}],"replies":[{"embeddable":true,"href":"https:\/\/fizikaimatematika.com\/index.php\/wp-json\/wp\/v2\/comments?post=7905"}],"wp:attachment":[{"href":"https:\/\/fizikaimatematika.com\/index.php\/wp-json\/wp\/v2\/media?parent=7905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}