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 6p1 q,ikloc;w nyfb;9is accelf7xzi*:n0ng6,unmt m 9s gk9derated from rest to a speed v by a 500 V potential difference. If the potential difference is changed to 2000 V, what will the n n6md,sgniz9t 79*0un xg m:fkew 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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