本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 国际高中通用物理
[单选题]
The Earth moves about the Sun izp ,+e-y(5ae3q0d ,rw pylkvq n an elliptical orbit. ym+7q;yu;)eun x* yr rAs the Earth moves close to the Sun, then which of the following best describes the orbiting speed of the Earth about the Sun?yeru ;u)+qny;r ymx7 *
A. increases
B. decreases
C. remains constant
D. none of the above
参考答案: A
本题详细解析:
暂无
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