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HomeLớp 10Vật lý 10 - Sách kết nối tri thứcBài 31. Động học của chuyển động tròn đềuBài tập trung bình
{"common":{"save":0,"post_id":"8852","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"8291","mon_id":"1158790","chapter_id":"1159899","post_id":"8852","question":"<p>Bi\u1ec3u th\u1ee9c nào sau \u0111ây th\u1ec3 hi\u1ec7n m\u1ed1i liên h\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 dài, t\u1ed1c \u0111\u1ed9 góc và chu kì quay?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$v=\\omega.R=2\\pi.T.R$<\/span>.","<strong>B.<\/strong> <span class=\"math-tex\">$v=\\dfrac{\\omega}{R}=\\dfrac{2\\pi R}{T}$<\/span>.","<strong>C.<\/strong> <span class=\"math-tex\">$v=\\omega.R=\\dfrac{2\\pi R}{T}$<\/span>.","<strong>D.<\/strong> <span class=\"math-tex\">$v=\\dfrac{\\omega}{R}=\\dfrac{2\\pi}{TR}$<\/span>."],"correct":"3","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> <span class=\"math-tex\">$v=\\omega.R=\\dfrac{2\\pi R}{T}$<\/span>.<\/span><\/p><p>Bi\u1ec3u th\u1ee9c th\u1ec3 hi\u1ec7n m\u1ed1i liên h\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 dài, t\u1ed1c \u0111\u1ed9 góc và chu kì quay: <span class=\"math-tex\">$v=\\omega.R=\\dfrac{2\\pi R}{T}$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-04-13 09:54:47","option_type":"math","len":0},{"id":"8292","mon_id":"1158790","chapter_id":"1159899","post_id":"8852","question":"<p>Các công th\u1ee9c liên h\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 góc <span class=\"math-tex\">$\\omega$<\/span> v\u1edbi chu k\u1ef3 T và gi\u1eefa t\u1ed1c \u0111\u1ed9 góc <span class=\"math-tex\">$\\omega$<\/span> v\u1edbi t\u1ea7n s\u1ed1 <span class=\"math-tex\">$f$<\/span> trong chuy\u1ec3n \u0111\u1ed9ng tròn \u0111\u1ec1u là<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\omega=\\dfrac{2\\pi}{T};\\omega=2\\pi f$<\/span>.","<strong>B.<\/strong> <span class=\"math-tex\">$\\omega=2\\pi T;\\omega=2\\pi f$<\/span>.","<strong>C.<\/strong> <span class=\"math-tex\">$\\omega=2\\pi T;\\omega=\\dfrac{2\\pi}{f}$<\/span>.","<strong>D.<\/strong> <span class=\"math-tex\">$\\omega=\\dfrac{2\\pi}{T};\\omega=\\dfrac{2\\pi}{ f}$<\/span>."],"correct":"1","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> <span class=\"math-tex\">$\\omega=\\dfrac{2\\pi}{T};\\omega=2\\pi f$<\/span>.<\/span><\/p><p>Công th\u1ee9c liên h\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 góc <span class=\"math-tex\">$\\omega$<\/span> v\u1edbi chu k\u1ef3 T là <span class=\"math-tex\">$\\omega=\\dfrac{2\\pi}{T}$<\/span>.<\/p><p>Công th\u1ee9c liên h\u1ec7 gi\u1eefa t\u1ed1c \u0111\u1ed9 góc <span class=\"math-tex\">$\\omega$<\/span> v\u1edbi t\u1ea7n s\u1ed1 <span class=\"math-tex\">$f$<\/span> là <span class=\"math-tex\">$\\omega=2\\pi f$<\/span>.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-04-13 09:58:36","option_type":"math","len":0},{"id":"8293","mon_id":"1158790","chapter_id":"1159899","post_id":"8852","question":"<p>Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt nào d\u01b0\u1edbi \u0111ây là chuy\u1ec3n \u0111\u1ed9ng tròn \u0111\u1ec1u?<br \/><br \/><br \/><br \/> <\/p>","options":["<strong>A. <\/strong>Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a pittông trong \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong.","<strong>B. <\/strong>Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a m\u1ed9t m\u1eaft xích xe \u0111\u1ea1p.","<strong>C.<\/strong> Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a con l\u1eafc \u0111\u1ed3ng h\u1ed3.","<strong>D.<\/strong> Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u kim phút."],"correct":"4","level":"2","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u kim phút.<\/span><\/p><p>Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u kim phút là chuy\u1ec3n \u0111\u1ed9ng tròn \u0111\u1ec1u.<\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2025-04-13 10:00:24","option_type":"txt","len":3}]}