{"id":7897,"date":"2023-08-18T09:41:43","date_gmt":"2023-08-18T07:41:43","guid":{"rendered":"https:\/\/fizikaimatematika.com\/courses\/fizika-zadaci-osmi-razred-oscilatorno-i-talasno-kretanje\/lesson\/27-zadatak-talas-se-u-nekom-metalu-krece-brzinom\/"},"modified":"2023-08-18T09:41:43","modified_gmt":"2023-08-18T07:41:43","slug":"27-zadatak-talas-se-u-nekom-metalu-krece-brzinom","status":"publish","type":"lesson","link":"https:\/\/fizikaimatematika.com\/courses\/fizika-zadaci-osmi-razred-oscilatorno-i-talasno-kretanje\/lesson\/27-zadatak-talas-se-u-nekom-metalu-krece-brzinom\/","title":{"rendered":"27. zadatak: Talas se u nekom metalu krec\u0301e brzinom &#8230;"},"content":{"rendered":"<ul>\n<li>\u0422\u0430\u043b\u0430\u0441 \u0441\u0435 \u0443 \u043d\u0435\u043a\u043e\u043c \u043c\u0435\u0442\u0430\u043b\u0443 \u043a\u0440\u0435\u045b\u0435 \u0431\u0440\u0437\u0438\u043d\u043e\u043c v = 3 500 m\/s \u043f\u0440\u0438 \u0447\u0435\u043c\u0443 \u0458\u0435 \u045a\u0435\u0433\u043e\u0432\u0430 \u0444\u0440\u0435\u043a\u0432\u0435\u043d\u0446\u0438\u0458\u0430 \u03bd= 1 kHz. \u041a\u043e\u043b\u0438\u043a\u043e \u0438\u0437\u043d\u043e\u0441\u0438 \u043d\u0430\u0458\u043c\u0430\u045a\u0435 \u0440\u0430\u0441\u0442\u043e\u0458\u0430\u045a\u0435 \u0438\u0437\u043c\u0435\u0452\u0443 \u0434\u0432\u0435 \u0447\u0435\u0441\u0442\u0438\u0446\u0435 \u043e\u0432\u0435 \u0441\u0440\u0435\u0434\u0438\u043d\u0435 \u0443 \u0438\u0441\u0442\u043e\u0458 \u0444\u0430\u0437\u0438 \u043e\u0441\u0446\u0438\u043b\u043e\u0432\u0430\u045a\u0430? \u0414\u0430 \u043b\u0438 \u0441\u0443 \u0434\u0432\u0435 \u0447\u0435\u0441\u0442\u0438\u0446\u0435 \u043e\u0432\u0435 \u0441\u0440\u0435\u0434\u0438\u043d\u0435 \u043a\u043e\u0458\u0435 \u0441\u0435 \u043d\u0430\u043b\u0430\u0437\u0435 \u043d\u0430 \u0434\u0435\u0441\u0435\u0442 \u043f\u0443\u0442\u0430 \u0432\u0435\u045b\u0435\u043c \u0440\u0430\u0441\u0442\u043e\u0458\u0430\u045a\u0443 \u0442\u0430\u043a\u043e\u0452\u0435 \u0443 \u0444\u0430\u0437\u0438?<\/li>\n<li>Talas se u nekom metalu krec\u0301e brzinom v = 3 500 m\/s pri \u010demu je njegova frekvencija \u03bd= 1 kHz. Koliko iznosi najmanje rastojanje izme\u0111u dve \u010destice ove sredine u istoj fazi oscilovanja? Da li su dve \u010destice ove sredine koje se nalaze na deset puta vec\u0301em rastojanju tako\u0111e u fazi?<\/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\/7897"}],"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=7897"}],"wp:attachment":[{"href":"https:\/\/fizikaimatematika.com\/index.php\/wp-json\/wp\/v2\/media?parent=7897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}