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]
A 5.0-mC charge is placed at the 0 cm mark of a meter stip7hs v 4. c5d8iw-httkcknptwi o8;/:/dtun 8rd and a -4.0 mC charge is placed at the 50 cm mark. At what point on a line joining the two charges is the electric fn n/tdiw8pr ; /8dt:uoield zero?
A. 1.4 m from the 0 cm mark
B. 2.9 m from the 0 cm mark
C. 3.3 m from the 0 cm mark
D. 4.7 m from the 0 cm mark
参考答案: D
本题详细解析:
暂无
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