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 Earth attracts John Glenn wi5b36ts,bjay 0us cun8 th a gravitationalpa/c09-- h9 p 2uroa*s vdeiuu force F at the surface of the Earth. Whe-i -ur 29u/phc uva *0ops9daen he 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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