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 proton, initially a63,+j uy, rr6n03wmvqiiu oqi t rest, isq 7n-mgo-uxmasw8 4ki: yk q.(gbhc0ou9z5-s accelerated through an electric potential difference of 500 V. b.hyx z- q5qcs9ua-mm7io g :-4ug(k n8oksw0 What is the speed of the proton?
A. $2.2 \times 10^{5} \; m/s$
B. $3.1 \times 10^{5} \; m/s$
C. $9.6 \times 10^{10} \; m/s$
D. zero
参考答案: B
本题详细解析:
暂无
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