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範例:地表重力與萬有引力[100學測]

兩質點間的萬有引力與其質量的乘積成正比,而與其距離的平方成反比。小君想從萬有引力常數G、地球表面的重力加速度g、和地球半徑R去估算地球的質量M,她寫出的正確計算式應為何?

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Posted in 克卜勒行星運動定律, 克卜勒行星運動定律, 歷屆學測(推甄)考題, 重力.

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