問題詳情
4.設地球半徑為R，地表處重力加速度的大小為g，則物體置於距離地表為2R處的重力加速度的大小為多少？
(A)
g
(B)
g
(C) 4 g
(D) 9 g
(A)
g (B)
g (C) 4 g
(D) 9 g
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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