問題詳情

2.Let M and m be the masses of the sun and moon,and R and r be their respective distances from the earth. What is the ratio of the tides induced by these two bodies at the equator? 25%

參考答案

答案:D
難度:簡單0.75
統計:A(0),B(2),C(0),D(6),E(0)

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