本题目来源于试卷: Physics Unit16: Electric Charge and Electric Field，类别为 国际高中通用物理
[单选题]
A 5.0-mC charge is placed at the 0 cm mark of a meter stick and a -4.0 mC;1(,f .u welnvie, hkhs+sid * cw qfk q4* zh9kopogp5ug6ks:,7f r9r:harge is placed at the 50 s6pqwkufo9 *o 97ghq:r4,fpgzk: 5k rcm mark. At what point on a line joining the two charges is the electric field 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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