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 foam ball of mass 0.150 g carries a cko vp0.b--h l *v1wjrbharge of -2.00 nC. The ball is b*08k:f n fthoa9;sb)j+uvsayy i12s placed inside a uniform electric field, and is suspended against the force of gravity.s+koa9 * ;1tv unbs 2)8s:ajfb0yi yhf 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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