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 in an0idjplh0zdnto+9y)x8 i6tt hgk b+6( elliptical orbit. As the Earthrbsq3l4/ bfb5 moves close to the Sun, then which of the following /l 5b4b3qbsrfbest describes the orbiting speed of the Earth about the Sun?
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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