《高一物理》匀速圆周运动1.如图所示,质量为1kg的小球用长为0.5m的细线悬挂在O点,O点距地高度为1m,如果使小球绕00’轴在水平面内做圆周运动,若细线受到拉力为12.5N就会拉断,g取10m/s^2,求;(
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![《高一物理》匀速圆周运动1.如图所示,质量为1kg的小球用长为0.5m的细线悬挂在O点,O点距地高度为1m,如果使小球绕00’轴在水平面内做圆周运动,若细线受到拉力为12.5N就会拉断,g取10m/s^2,求;(](/uploads/image/z/2597472-0-2.jpg?t=%E3%80%8A%E9%AB%98%E4%B8%80%E7%89%A9%E7%90%86%E3%80%8B%E5%8C%80%E9%80%9F%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A81.%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E8%B4%A8%E9%87%8F%E4%B8%BA1kg%E7%9A%84%E5%B0%8F%E7%90%83%E7%94%A8%E9%95%BF%E4%B8%BA0.5m%E7%9A%84%E7%BB%86%E7%BA%BF%E6%82%AC%E6%8C%82%E5%9C%A8O%E7%82%B9%2CO%E7%82%B9%E8%B7%9D%E5%9C%B0%E9%AB%98%E5%BA%A6%E4%B8%BA1m%2C%E5%A6%82%E6%9E%9C%E4%BD%BF%E5%B0%8F%E7%90%83%E7%BB%9500%E2%80%99%E8%BD%B4%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E5%86%85%E5%81%9A%E5%9C%86%E5%91%A8%E8%BF%90%E5%8A%A8%2C%E8%8B%A5%E7%BB%86%E7%BA%BF%E5%8F%97%E5%88%B0%E6%8B%89%E5%8A%9B%E4%B8%BA12.5N%E5%B0%B1%E4%BC%9A%E6%8B%89%E6%96%AD%2Cg%E5%8F%9610m%2Fs%5E2%2C%E6%B1%82%EF%BC%9B%EF%BC%88)
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