本题目来源于试卷: Physics Unit17: Electric Potential，类别为 国际高中通用物理
[单选题]
A 4.0-g object carries a charge of 20 mC. The object is accqv s o+ 88ztg-pv- 9qcx.woa2zelerated fa)o8 dgn6t jf10jn g;1( vvx:hq kyrurp8d: l1rom rest through a potential difference, and afterward the ball is moving at 2.0 m/s.annd01 kv6xgyv8o:hf1ul81trq : ;pjrd jg() What is the magnitude of the potential difference?
A. $800 \; kV$
B. $400 \; kV$
C. $800 \; V$
D. $400 \; V$
参考答案: D
本题详细解析:
暂无
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