本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 通用国际物理
[单选题]
Three point charges are placed on the x-axis. A charge of + b)h1z8)vno,*n rnqb,no 82tumntusr0w.p7q2.0 mC is pl psn b5myhi.3t+5c*q yaced at the origin, -2.0 m C to the right at x = 50 cm, and +4.0 mC at the 100 cm mark. What are the magnitude and direction of the electrostatic force which acts on the charge at 3+ 5pcy *qishby5mn.t the origin?
A. 0.072 N right
B. 0.072 N left
C. 0.14 N right
D. 0.14 N left
参考答案: A
本题详细解析:
暂无
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