本题目来源于试卷: Fields D.1 Gravitational Fields & Potential ，类别为 IB物理学
[单选题]
Two planets X and Y have the same density however+tn(4hgg fdzjx;n r)b0*(ncd the radius of planet X zaz.k3r)2mpaoqmhx-efp4:l2 re)b ) is larger than that of Y. Two satellites with equal masses A and B orbit X and Y respectively with the same orbital radius. Which of the following quantities is smaller for sz:pq)4ez.e))a-x2l brk3p a m 2m frhoatellite A?
A. The orbital speed
B. The orbital period
C. The centripetal force
D. The centripetal acceleration
参考答案: B
本题详细解析:
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