Physics Unit17: Electric Potential (id: e56ae9ee2)

本题目来源于试卷: Physics Unit17: Electric Potential，类别为 通用国际物理

[单选题]
A small charged ball; nume*1f dg7bz mz3e.jlh,pv)j6 s;zkg4o e- is accelerated from rest to a speed v by a 500 V potential difference. If gpejk )6hls4- ,ovz;jthe potential difference is changed to 2000 V, what will the new speed of the ball be?

A. $v$
B. $2 \; v$
C. $4 \; v$
D. $16 \; v$


参考答案:  B


本题详细解析: 暂无

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