Physics Unit16: Electric Charge and Electric Field (id: 3e6ce2279)

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 Styrofoam ball of m1a p +m;a xrutzx9-l8pass 0.120 g is placed in an electric field 7d5 ;6 ns5bjgvnc nx0nof 6000 N/C pointing downward. What charge must be placed on the ball for it to be suspended7dgjn5s0 c5nnx;v b n6?

A. -16.0 nC
B. -57.2 nC
C. -125 nC
D. -196 nC


参考答案:  D


本题详细解析: 暂无

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