Động lượng - Bài tập trung bình số 1

Home Lớp 10 Vật lý 10 - Sách kết nối tri thức Bài 28: Động lượngBài tập trung bình

{"common":{"save":0,"post_id":"6415","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6584","mon_id":"1158790","chapter_id":"1158865","post_id":"6415","question":"Hai v\u1eadt có kh\u1ed1i l\u01b0\u1ee3ng $m_1$<\/span> = 2$m_2$<\/span>, chuy\u1ec3n \u0111\u1ed9ng v\u1edbi v\u1eadn t\u1ed1c có \u0111\u1ed9 l\u1edbn $v_1$<\/span> = 2$v_2$<\/span>. \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a hai v\u1eadt có quan h\u1ec7<\/p>","options":["A.<\/strong> $p_1$<\/span> = 2$p_2$<\/span>.","B. <\/strong>$p_1$<\/span> = 4$p_2$<\/span>.","C.<\/strong> $p_2$<\/span> = 4$p_1$<\/span>.","D.<\/strong> $p_1$<\/span> = $p_2$<\/span>."],"correct":"2","level":"2","hint":"S\u1eed d\u1ee5ng công th\u1ee9c: p = m.v.<\/p>","answer":"L\u1eddi gi\u1ea3i \u0110\u1ed9 l\u1edbn \u0111\u1ed9ng l\u01b0\u1ee3ng: p= mv  <svg height=\"300\" width=\"400\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"302\" id=\"canvas_background\" width=\"402\" x=\"-1\" 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FsoMACALZQYAkIUyAwDIQpkBAGShzAAAslBmAABZKDMAgCyUGQBAFspskOPjo71rVy5f\/ubXjx\/LUn31jz8+ffr9+eGTq1e\/\/OLUpUtfleXm3Xvv3n+o7sQ0yqD8sLdXtvab47fVl059eP\/u3t2b1ZCcDsqd\/YPfP32q7vG5ehzroSz\/9eTweVnKQ5Y9CgBGp8wWmx2OT5ZywC5H9That8rs7fGbkmtx00IPfvqlLHFnxvLq5bOy1Ft+vswO9u\/ETfPKCLaKuQxi9zh+\/d2PZdmaOKt37B+\/+7p6hst17MC\/\/PSgutMc+zzAOpRZW2u6pakuszic18XWzYFqfaUkHj96eDLxNbfNW2V2\/\/b16oYlIrOitGIQh4zjVg5izARXz\/Bzf3t8WN2pU\/m9pXrAacKaKgZYkzJrU2YJKbMpKDOAhJRZmzJLSJlNQZkBJKTMPlMO2X\/9y5+\/v3WrHLFiqQ47M6XMjt4eleWb8l+XL1+5tvfs5at4YOm5jqR7+uJ13I3VvH7xtGztW7fKyHzfaqkosxJksZQ\/xmn75VFlROYHsSjDUZbIsvJty3J0fBx\/UfHq5bP5Vosor+6xRcoOP3\/C2fAnW35PKT8Is5+G6peW6gYAVqXMejTPdC6Hnxs3\/lSWmB6Iw39Luf\/8ydHL7swKWlu4pFjJtTv7B7G0tvOsFk7qoSzVA7744mQIb9woX1k2E7ZwQnRb87pUb\/UMT0XsVjd3iseWzWhiGGAsyqxH6yBdN1l3ac2\/p2babCylBlox0ZsFC3P5yeHz6uY5C2eStjU+4sm2nu\/A3bXs52bLAMalzHo0y2z4QWh+0uX67fvVbaynbNvm5h0ywdOKuY4pz9p8W2\/xCM6X65BZ3piMtGMDjEuZ9VitzIrWod3UwlhWKLPWQ2bvbZ4MR3XzIvNzbFucILMd8ySzqqc6bKvGJjIZDDAuZdZj5TJrveMWh7qBp+\/QQZlNpPW7RPfzjfdAh0ytAXAmyqzHymUWD6wfWzydfSSwuplVtTJLmY2ltcd27+3xi4cT\/wFGp8x6tI7oyuzCtTJLmY2ltccqM4ALocx6tI7oyuzCtTJLmY2ltccqM4ALocx6tI7ow8us3PHk+N84q1qZjaKVWcpsLPOXzyjhtay96utlVH8GYCTKrIcyy0aZTac86+YTX3h5kdlPgOtlAExFmfVYuczmZyCU2SiU2XTq6qqe80xrp63rzc4MMAVl1mOsMouA6G0IeimzqbUun9GcNqv3atfLAJiIMuuxcpnF3EM9\/XCmx9JBmU2tua2K5haur9Ln3H+AiSizHq0j+splFnMMphnW18osZTa6mBirnvZM\/dzjxP\/erQfAypRZj\/kI6O2AEA+sH2uOYSytzFJmU2j9CxZlc\/3rzb\/KUjZc2Q47tSkAzpky6zEfAcrsYrUyS5lNQZkBXBRl1mM+ApTZxWplljKbgjIDuCjKrMd8BAwss+ahvbsePrx\/V5Yf9vbKUt\/\/5t17795\/qO5BQ+Yyi6GM0YxH1UO5WaMZZ0nGUwjfzpT\/WOfiL80tE+zqAC3KrEfziF4MPCy1zqHuOKjPF0CtHLTir1v5QLiV0pZZ91DWo1ndO72FT2edD7L07urV\/QB2mzLr0SqzgW\/lNA9CHekQ33z\/4Oey1Ae88v8\/H+zXj41l4ETdLmhl1pCN03rIamXWfQWv5lDGaJYvNoey2KyhjGdUb7Sw8pvy9fapt0wszV3dTg5QKLMezSN6rRyflh2iyv1bD+mYDDjYv7Ps1taJPkNycEeULdPaOL3TLa2HDCmk1tVWi+4y276hLNkUF5WN1R6Ssx2GbB87OUChzHo0M6sczq9e\/bIs8cebd+8dHR\/H3WIC4PGjhyfH\/NP7dwRc8fHjrw8e\/Fz9YU4cF+P7FA5aRZzCdRIIn58CVb4QJ3LNn6706uWzsjQHpXbl2t7C05uaEzktd\/YPFsbZkKGsR3ODhrJZtGW1V1jz2eX\/TpYhu7qdHKBQZj2aZVYK4OjtUVn2rl0pS3xxoVICTw6fV99iVc1pmx0\/aC2cuVwmarjjrKZ5T1+8bvVTh\/pcq44ptJYylPVobtBQRlRFB5dN1Ds3ubLYOMoMoFBmPZRZBsrsQigzgPOnzHooswyU2YVQZgDnT5n1aJVZnDUTx+XHjx7W55yFvb0fnr18VZbhx+wOzTLrOF+N\/JpltnFDWRq3jtHqS2OLjWMnByiUWY+FZVbdNqWYqyh\/Yyzn85cyhRjKejQNZUu9q9syAIUy63FRZRafiXsw+3SnuYSNVn+80VAuVO\/q1Z8Bdpsy63FRZXb\/9vX6rzufv5GJxFCe586zWepdvfozwG5TZj0upMxev3h6ySXRt0I9lEZzIbs6QIsy63H+ZVb+hm8uX\/bmzhYwlMvMfoxOFtsHoEWZ9Tj\/Mrt\/+\/qd\/YPqD2wyQ7lM2TKx2D4ALcqshzJjZYZyGWUGsIwy66HMWJmhXEaZASyjzHo0y+wcTuX+5acHjlXbwVAuE1smlupLAJxSZj3qi1GF6f6NmnK4qi+2Xn2JjWUol6m3zKT\/qADA5lJmi716+SyWesIsXJ5dmOqfb96Upbrr2p4fPinLjRv\/UZZlx6pyFPvHf\/+j+gNZxVDGaBrKeUO2jP0c2HHK7DPxMf6qwgZYf16k2WTz32r2tZPlYP\/OdP+eNKOoh3JZfOz4UPZmWWwZ+zmw45TZRSrHqirx+sSHD6qHkY+h7DZk+5zPJ2wAklNmF2b4sby4fvt+9TDyMZTLlC0TS\/XkO9nJAQplBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAAFkoMwCALJQZAEAWygwAIAtlBgCQhTIDAMhCmQEAZKHMAACyUGYAADn88cf\/A41IIG3UpPA8AAAAAElFTkSuQmCC\" y=\"2\"><\/image> <\/g> <\/svg><\/span> \u0110áp án \u0111úng: B. $p_1$<\/span> = 4$p_2$<\/span>.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-05-16 16:38:47","option_type":"math","len":0},{"id":"6585","mon_id":"1158790","chapter_id":"1158865","post_id":"6415","question":"M\u1ed9t v\u1eadt kh\u1ed1i l\u01b0\u1ee3ng 500 g chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng d\u1ecdc theo tr\u1ee5c Ox v\u1edbi v\u1eadn t\u1ed1c 36 km\/h. \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt b\u1eb1ng<\/p>","options":["A.<\/strong> 9 kg.m\/s.","B.<\/strong> 5 kg.m\/s.","C.<\/strong> 10 kg.m\/s.","D.<\/strong> 4,5 kg.m\/s."],"correct":"2","level":"2","hint":"","answer":"L\u1eddi gi\u1ea3i \u0110\u1ed5i 36 km\/h = 10 m\/s \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt b\u1eb1ng  p= mv= 0,5.10= 5 (kg.m\/s) \u0110áp án \u0111úng: B. 5 kg.m\/s.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-05-16 16:43:00","option_type":"txt","len":1},{"id":"6586","mon_id":"1158790","chapter_id":"1158865","post_id":"6415","question":"M\u1ed9t hòn \u0111á có kh\u1ed1i l\u01b0\u1ee3ng 5 kg, bay v\u1edbi v\u1eadn t\u1ed1c 72 km\/h. \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a hòn \u0111á là<\/p>","options":["A.<\/strong> p = 360 kg.m\/s.","B.<\/strong> p = 360 N.s.","C.<\/strong> p = 100 kg.m\/s.","D.<\/strong> p = 100 kg.km\/h."],"correct":"3","level":"2","hint":"","answer":"L\u1eddi gi\u1ea3i \u0110\u1ed5i 72 km\/h = 20 m\/s \u0110\u1ed9ng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt b\u1eb1ng  p= mv= 5.20= 100 (kg.m\/s) \u0110áp án \u0111úng: C. 100 kg.m\/s.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"149","test":"0","date":"2023-05-16 16:45:20","option_type":"txt","len":2}]}