本题目来源于试卷: Physics Unit20: Magnetism，类别为 国际高中通用物理
[单选题]
An electron moves withs..8y phy* s,jz x(tfu a speed ofeaul6n 9 tu- qyk/-ie8 $8.0 \times 10^6 \; m/s$ along the +x axis. It enters a region where there is a magnetic field of 2.5 T, directed at an angle of $60^{\circ}$ to the +x axis and lying in the $xy$ plane. Calculate the acceleration of the electron.
A. $1.3 \times 10^{18} \; m/s^{2}$
B. $3.1 \times 10^{18} \; m/s^{2}$
C. $1.3 \times 10^{-18} \; m/s^{2}$
D. $3.1 \times 10^{-18} \; m/s^{2}$
参考答案: B
本题详细解析:
暂无
| 
