R,<Object: word/embeddings/oleObject6.bin>
点到月球的距离为
r,根据牛顿运动定律和万有引力定律,
地月连线的延长线上.设地球质量为
M1,月球质量为
M2,地月距离为R,<Object: word/embeddings/oleObject7.bin>
点到月球的距离为
r,根据牛顿运动定律和万有引力定律,
r满足方程:
<Object: word/embeddings/oleObject8.bin>
.设<Object: word/embeddings/oleObject9.bin>
,由于<Object: word/embeddings/oleObject10.bin>
的值很小,因此在近似计算中
<Object: word/embeddings/oleObject11.bin>
,则r的近似值为
A.<Object: word/embeddings/oleObject12.bin>
B.<Object: word/embeddings/oleObject13.bin>
C.<Object: word/embeddings/oleObjec ...


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