本题目来源于试卷: Physics Unit8: Rotational Motion,类别为 通用国际物理
[单选题]
The Earth orbits the Sun in anu x3uka9jvbp-+94e7eayn f7j eu- gcqa0b)6vi lliptical orbit. Ignore any friction which may be present. What happenqu6- cigb 0v)as 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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