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 charge f )psc5q)/mu.zm8rq)npc b e)of -2.00 nC. The ballt l8e :5exx-vz+r0wb,8sd01ap efdi i is placed inside a uniform electric field, and is suspended against the force of gravity. What are the magnitude and direction of ths xd 0iea,tfv8 1l:x8wiz0rd-+e5pebe 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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