本题目来源于试卷: Electrostatic Force and Electric Field，类别为 美国物理杯赛(Physics Bowl)
[单选题]
03.18: Two identical :v+w,8 fpmzox27kgzv4 rht)h electrical point charges Q, separated by a distance ps m-z)t/ne5 ewb ()zlcroduce an electrical force ofF on one another. If the distance is decreased to a distance of 0.40,letzs(c- z/bw))mn 5e what is the strength of
the resulting force?
A. 16F
B. 6.3F
C. 2.5F
D. 0.40
E. 0.16F
参考答案: B
本题详细解析:
暂无
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