本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
The Earth orbits the -fpo fr7)2x7r:4roi4lcvc xoyr -vb ) Sun in an elliptical orbit. Ignordsfq-wliim/2bhn y0 0 n pm:7:e any friction which may be present. Whatp nqb:s ml:20i7md0/w-hnyfi happens over time to the Earth's angular momentum about the Sun?
A. It continually increases.
B. It continually decreases.
C. It remains constant.
D. It increases during some parts of the orbit, and decreases during others.
参考答案: C
本题详细解析:
暂无
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Post time 2024-1-22 02:51:16