设两人造地球卫星的质量比为1:2,到地球球心的距离比为1:3,则它们的:A.周期比为3:1 B.线速度比为1:3C.向心加速度比为1:9 D.向心力之比为1:18答案为什么是D
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![设两人造地球卫星的质量比为1:2,到地球球心的距离比为1:3,则它们的:A.周期比为3:1 B.线速度比为1:3C.向心加速度比为1:9 D.向心力之比为1:18答案为什么是D](/uploads/image/z/7025348-20-8.jpg?t=%E8%AE%BE%E4%B8%A4%E4%BA%BA%E9%80%A0%E5%9C%B0%E7%90%83%E5%8D%AB%E6%98%9F%E7%9A%84%E8%B4%A8%E9%87%8F%E6%AF%94%E4%B8%BA1%EF%BC%9A2%2C%E5%88%B0%E5%9C%B0%E7%90%83%E7%90%83%E5%BF%83%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%AF%94%E4%B8%BA1%EF%BC%9A3%2C%E5%88%99%E5%AE%83%E4%BB%AC%E7%9A%84%EF%BC%9AA%EF%BC%8E%E5%91%A8%E6%9C%9F%E6%AF%94%E4%B8%BA3%EF%BC%9A1+B%EF%BC%8E%E7%BA%BF%E9%80%9F%E5%BA%A6%E6%AF%94%E4%B8%BA1%EF%BC%9A3C%EF%BC%8E%E5%90%91%E5%BF%83%E5%8A%A0%E9%80%9F%E5%BA%A6%E6%AF%94%E4%B8%BA1%EF%BC%9A9+D%EF%BC%8E%E5%90%91%E5%BF%83%E5%8A%9B%E4%B9%8B%E6%AF%94%E4%B8%BA1%EF%BC%9A18%E7%AD%94%E6%A1%88%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AFD)
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