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Gaokao Physics Practice Question

火星的质量约为地球质量的 $\frac{1}{10}$, 半径约为地球半径的 $\frac{1}{2}$, 则同一物体在火星表面与在地 球表面受到的引力的比值约为

  1. A.0.2
  2. B.0.4
  3. C.2.0
  4. D.2.5

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