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 foam ball of mass 0.150 g ca7fp:s b *m5 z.x;ulpzurries a char72xmf*upih yiw6 ,lk- ge of -2.00 nC. The ball is placed inside a uniform electriihkmyifp-w2u l 6*x,7 c field, and is suspended against the force of gravity. What are the magnitude and direction of the electric field?
A. 573 kN/C down
B. 573 kN/C up
C. 735 kN/C down
D. 735 kN/C up
参考答案: C
本题详细解析:
暂无
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