关于质点做匀速圆周运动的下列说法正确的是 A由a=v^2/r知a与r成反比 B由a=w^2r知a与r成正比 C由w=v/r知w与r成反比 D由w=2派n知w与转速n成正比我想知道前3项为什么错了 题目不是说匀速圆周运动吗
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![关于质点做匀速圆周运动的下列说法正确的是 A由a=v^2/r知a与r成反比 B由a=w^2r知a与r成正比 C由w=v/r知w与r成反比 D由w=2派n知w与转速n成正比我想知道前3项为什么错了 题目不是说匀速圆周运动吗](/uploads/image/z/4027977-9-7.jpg?t=%E5%85%B3%E4%BA%8E%E8%B4%A8%E7%82%B9%E5%81%9A%E5%8C%80%E9%80%9F%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8%E7%9A%84%E4%B8%8B%E5%88%97%E8%AF%B4%E6%B3%95%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF+A%E7%94%B1a%3Dv%5E2%2Fr%E7%9F%A5a%E4%B8%8Er%E6%88%90%E5%8F%8D%E6%AF%94+B%E7%94%B1a%3Dw%5E2r%E7%9F%A5a%E4%B8%8Er%E6%88%90%E6%AD%A3%E6%AF%94+C%E7%94%B1w%3Dv%2Fr%E7%9F%A5w%E4%B8%8Er%E6%88%90%E5%8F%8D%E6%AF%94+D%E7%94%B1w%3D2%E6%B4%BEn%E7%9F%A5w%E4%B8%8E%E8%BD%AC%E9%80%9Fn%E6%88%90%E6%AD%A3%E6%AF%94%E6%88%91%E6%83%B3%E7%9F%A5%E9%81%93%E5%89%8D3%E9%A1%B9%E4%B8%BA%E4%BB%80%E4%B9%88%E9%94%99%E4%BA%86+%E9%A2%98%E7%9B%AE%E4%B8%8D%E6%98%AF%E8%AF%B4%E5%8C%80%E9%80%9F%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8%E5%90%97)
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