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18.己知引力常量G、月球中心到地球中心的距离R和月球绕地球运行的周期T。仅利用这三个数据,可以估算的物理有(A)月球的质量 (B)地球的质量(C)地球的半径 (D)月球绕地球运行速度的大小
問題詳情
18.己知引力常量G、月球中心到地球中心的距离R和月球绕地球运行的周期T。仅利用这三个数据,可以估算的物理有
(A)月球的质量
(B)地球的质量
(C)地球的半径
(D)月球绕地球运行速度的大小
參考答案
答案:B,D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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