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, k2s k:6uq lx/eseparated by 0.20 m, are connected to a 12-V be/ mcfo+rdk zj386f*8auo d9llzco.0 attery. An electron released from rest at a location 0.10 m from the negative plate. When the electron arr +k* f638lacod 0ou98jzm /e.ofrldzcives 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
| 
