Gravity and Planetary Motion (id: cf9e92bd1)

本题目来源于试卷: Gravity and Planetary Motion，类别为 美国物理杯赛(Physics Bowl)

[单选题]
95.09 Two spherical bodieumbp3gmw* ++jk i)3pss alszwv,(;y; 7fmz 4ie vttract each other with a gravitational force of 4.0 N. What will be the force if the distance betwwiz(f;mvz4,l7 vey s; een them is doubled?

A. 1.0N
B. 2.0N
C. 4.0N
D. 8.0N
E. 16.0N


参考答案:  A


本题详细解析: 暂无

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