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 0.20 m, are c w4swp0 o90fcmdp)cz dgt4ena(;q*; v y6p9suonnecte(b84 u8 wqe1wy (5g vqvzzfeyor-*v3ad to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When theea 1q-g ybr(8ow* 4(uzyv5efq zw3 vv8 electron 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:
暂无
| 
