本题目来源于试卷: .Gravity..，类别为 美国物理杯赛(Physics Bowl)
[单选题]
99.11: Assume that the): zmmde+tgc cg jgzr7s.2- y2 qq7m w t 1vn812)ir5suaov:xz Earth attracts John Glenn with a gravitational force F at the surface of the Earth. When hevqz:xtws5o nq2v7 8 ram1)iu1 made his famous second flight in orbit, the gravitational force on John Glenn while he was in orbit was closest to which of the following?
A. 0.95F
B. 0.50F
C. 0.25F
D. 0.10F
E. zero
参考答案: A
本题详细解析:
暂无
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