本题目来源于试卷: Physics Unit17: Electric Potential,类别为 通用国际物理
[单选题]
Two parallel plates, separated by 0.2 p h)cw4i arj7.n4wku70m2ig), x3fqh oymq3b+ m, are connected to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When the electr hibx,myom qg)+f 3q32on arrives at a distance 0.050 m from the positive plate, what is the speed of the electron?
A. $5.0 \times 10^{5} \; m/s$
B. $1.0 \times 10^{6} \; m/s$
C. $5.0 \times 10^{6} \; m/s$
D. $1.0 \times 10^{7} \; m/s$
参考答案: B
本题详细解析:
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