{"id":15615,"date":"2025-08-13T02:41:35","date_gmt":"2025-08-13T02:41:35","guid":{"rendered":"https:\/\/www.fizika-online.ru\/?page_id=15615"},"modified":"2025-08-13T02:41:35","modified_gmt":"2025-08-13T02:41:35","slug":"%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b8-%d0%bd%d0%b0-%d0%b8%d0%bc%d0%bf%d1%83%d0%bb%d1%8c%d1%81-%d0%b8-%d1%8d%d0%bd%d0%b5%d1%80%d0%b3%d0%b8%d1%8e-%d0%b7%d0%b0%d0%b4%d0%b0%d1%87%d0%b0-%d1%8d%d0%b8-53","status":"publish","type":"page","link":"https:\/\/www.fizika-online.ru\/?page_id=15615","title":{"rendered":"\u0417\u0430\u0434\u0430\u0447\u0438 \u043d\u0430 \u0438\u043c\u043f\u0443\u043b\u044c\u0441 \u0438 \u044d\u043d\u0435\u0440\u0433\u0438\u044e. \u0417\u0430\u0434\u0430\u0447\u0430 \u042d\u0438\u041861"},"content":{"rendered":"<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u0417\u0430\u0434\u0430\u0447\u0430<\/strong><\/em>. \u0421\u043d\u0430\u0440\u044f\u0434, \u043b\u0435\u0442\u044f\u0449\u0438\u0439 \u0441\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c\u044e 200 \u043c\/\u0441, \u0440\u0430\u0437\u043e\u0440\u0432\u0430\u043b\u0441\u044f \u043d\u0430 \u0434\u0432\u0430 \u043e\u0441\u043a\u043e\u043b\u043a\u0430 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0439 \u043c\u0430\u0441\u0441\u044b. \u0421\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043e\u0441\u043a\u043e\u043b\u043a\u0430 \u0441\u0440\u0430\u0437\u0443 \u043f\u043e\u0441\u043b\u0435 \u0432\u0437\u0440\u044b\u0432\u0430 \u0431\u044b\u043b\u0430 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e \u043f\u0435\u0440\u0432\u043e\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044e \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044f \u0438 \u0440\u0430\u0432\u043d\u0430 300 \u043c\/\u0441. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435 \u043c\u043e\u0434\u0443\u043b\u044c \u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u043e\u0441\u043a\u043e\u043b\u043a\u0430.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435.<\/strong><\/em> \u0422\u0440\u0435\u043d\u0438\u0435\u043c \u0441\u043d\u0430\u0440\u044f\u0434\u0430 \u0438 \u043e\u0441\u043a\u043e\u043b\u043a\u043e\u0432 \u043e \u0432\u043e\u0437\u0434\u0443\u0445 \u043f\u0440\u0435\u043d\u0435\u0431\u0440\u0435\u0436\u0435\u043c. \u0418\u0437-\u2060\u0437\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u043e\u0437\u0434\u0443\u0445\u0430 \u0432\u043d\u0435\u0448\u043d\u0435\u0439 \u0441\u0438\u043b\u043e\u0439, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 \u043d\u0430 \u0442\u0435\u043b\u0430, \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0438\u043b\u0430 \u0442\u044f\u0436\u0435\u0441\u0442\u0438. \u041d\u043e \u044d\u0442\u0438\u043c \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0435\u043d\u0435\u0431\u0440\u0435\u0447\u044c, \u0441\u0447\u0438\u0442\u0430\u044f \u0432\u0440\u0435\u043c\u044f \u0440\u0430\u0437\u0440\u044b\u0432\u0430 \u0433\u0440\u0430\u043d\u0430\u0442\u044b \u043c\u0430\u043b\u044b\u043c. \u0417\u0430 \u043c\u0430\u043b\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0440\u0430\u0437\u0440\u044b\u0432\u0430 \u0438\u043c\u043f\u0443\u043b\u044c\u0441 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0438\u0437 \u043e\u0441\u043a\u043e\u043b\u043a\u043e\u0432 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u0430 \u043a\u043e\u043d\u0435\u0447\u043d\u0443\u044e \u0432\u0435\u043b\u0438\u0447\u0438\u043d\u0443 \u0437\u0430 \u0441\u0447\u0435\u0442 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0445 \u0441\u0438\u043b, \u0440\u0430\u0437\u0440\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0441\u043d\u0430\u0440\u044f\u0434 \u043f\u0440\u0438 \u0432\u0437\u0440\u044b\u0432\u0435. \u041f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u044d\u0442\u0438\u043c\u0438 \u0431\u043e\u043b\u044c\u0448\u0438\u043c\u0438 \u0441\u0438\u043b\u0430\u043c\u0438 \u0441\u0438\u043b\u044b \u0442\u044f\u0436\u0435\u0441\u0442\u0438 \u043f\u0440\u0435\u043d\u0435\u0431\u0440\u0435\u0436\u0438\u043c\u043e \u043c\u0430\u043b\u044b, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0438 \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044f \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u0417\u0421\u0418<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$2m\\overrightarrow{v}=m\\overrightarrow{v}_1+m\\overrightarrow{v}_2$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$2\\overrightarrow{v}=\\overrightarrow{v}_1+\\overrightarrow{v}_2$.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15616\" src=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/08\/2-30.jpg\" alt=\"\" width=\"398\" height=\"360\" srcset=\"https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/08\/2-30.jpg 398w, https:\/\/www.fizika-online.ru\/wp-content\/uploads\/2025\/08\/2-30-300x271.jpg 300w\" sizes=\"(max-width: 398px) 100vw, 398px\" \/><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u041d\u0430\u0445\u043e\u0434\u0438\u043c \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u0438 \u043d\u0430 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u043d\u044b\u0435 \u043e\u0441\u0438 (\u043a\u0440\u043e\u043c\u0435 \u043f\u0440\u043e\u0435\u043a\u0446\u0438\u0439 \u0432\u0435\u043a\u0442\u043e\u0440\u0430 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u043e\u0441\u043a\u043e\u043b\u043a\u0430, \u043c\u044b \u0436\u0435 \u043d\u0435 \u0437\u043d\u0430\u0435\u043c \u043a\u0443\u0434\u0430 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0430 \u044d\u0442\u0430 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c)<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$2v=v_{2x}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$v_1+v_{2y}=0\\Rightarrow v_{2y}=-v_1$.<\/span><\/p>\n<div id=\"yandex_rtb_R-A-1598022-3\"><\/div>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><script>window.yaContextCb.push(()=>{\n\tYa.Context.AdvManager.render({\n\t\t\"blockId\": \"R-A-1598022-3\",\n\t\t\"renderTo\": \"yandex_rtb_R-A-1598022-3\"\n\t})\n})\n<\/script><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u041d\u0430\u0445\u043e\u0434\u0438\u043c \u043c\u043e\u0434\u0443\u043b\u044c \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$v_2=\\sqrt{v_{1x}^2+v_{2y}^2}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$v_2=\\sqrt{(2v)^2+(-v_1)^2}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$v_2=\\sqrt{4v^2+v_1^2}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$v_2=\\sqrt{4 \\cdot 200^2+300^2}=500$ \u043c\/\u0441.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">\u041d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u043e\u0441\u043a\u043e\u043b\u043a\u0430 \u043d\u0430\u0439\u0434\u0435\u043c \u0447\u0435\u0440\u0435\u0437 \u0442\u0430\u043d\u0433\u0435\u043d\u0441 \u0435\u0433\u043e \u043d\u0430\u043a\u043b\u043e\u043d\u0430 <\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$tg\\,\\alpha=\\frac{\\left| v_y \\right|}{v_x}=\\frac{\\left| -v_1 \\right|}{2v}=\\frac{v_1}{2v}$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$tg\\,\\alpha=\\frac{300}{2 \\cdot 200}=0,75$,<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\">$\\alpha=arctg\\,0,75\\approx 37^{\\circ}$.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; font-size: 12pt; color: #000000;\"><em><strong>\u041e\u0442\u0432\u0435\u0442:<\/strong><\/em> 500 \u043c\/\u0441; \u043f\u043e\u0434 \u0443\u0433\u043b\u043e\u043c $\\approx 37^{\\circ}$ \u043a \u043f\u0435\u0440\u0432\u043e\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044e \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044f.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0417\u0430\u0434\u0430\u0447\u0430. \u0421\u043d\u0430\u0440\u044f\u0434, \u043b\u0435\u0442\u044f\u0449\u0438\u0439 \u0441\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c\u044e 200 \u043c\/\u0441, \u0440\u0430\u0437\u043e\u0440\u0432\u0430\u043b\u0441\u044f \u043d\u0430 \u0434\u0432\u0430 \u043e\u0441\u043a\u043e\u043b\u043a\u0430 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0439 \u043c\u0430\u0441\u0441\u044b. \u0421\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043e\u0441\u043a\u043e\u043b\u043a\u0430 \u0441\u0440\u0430\u0437\u0443 \u043f\u043e\u0441\u043b\u0435 \u0432\u0437\u0440\u044b\u0432\u0430 \u0431\u044b\u043b\u0430 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u0435\u0440\u043f\u0435\u043d\u0434\u0438\u043a\u0443\u043b\u044f\u0440\u043d\u043e \u043f\u0435\u0440\u0432\u043e\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044e \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u044f \u0438 \u0440\u0430\u0432\u043d\u0430 300 \u043c\/\u0441. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435 \u043c\u043e\u0434\u0443\u043b\u044c \u0438 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u043e\u0441\u043a\u043e\u043b\u043a\u0430. \u0420\u0435\u0448\u0435\u043d\u0438\u0435. \u0422\u0440\u0435\u043d\u0438\u0435\u043c \u0441\u043d\u0430\u0440\u044f\u0434\u0430 \u0438 \u043e\u0441\u043a\u043e\u043b\u043a\u043e\u0432 \u043e \u0432\u043e\u0437\u0434\u0443\u0445 \u043f\u0440\u0435\u043d\u0435\u0431\u0440\u0435\u0436\u0435\u043c. \u0418\u0437-\u2060\u0437\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u044f \u0432\u043e\u0437\u0434\u0443\u0445\u0430 \u0432\u043d\u0435\u0448\u043d\u0435\u0439 \u0441\u0438\u043b\u043e\u0439, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0439 \u043d\u0430 \u0442\u0435\u043b\u0430, \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.fizika-online.ru\/?page_id=15615\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/15615"}],"collection":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15615"}],"version-history":[{"count":1,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/15615\/revisions"}],"predecessor-version":[{"id":15617,"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=\/wp\/v2\/pages\/15615\/revisions\/15617"}],"wp:attachment":[{"href":"https:\/\/www.fizika-online.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}