本题目来源于试卷: Motion of charged particle and Velocity selector and Mass spectrometer，类别为 美国物理杯赛(Physics Bowl)
[单选题]
95.16: A charged particle with constant soq (smao9:l*aa2t+ 5gsh oy+hk4bp2l*m)v sv peed enters a uniform magne2*e p ky1khv4if-pk+z tic field whose direction is perpendicular to the particle’s velo h+kkp4-v2ep z 1yk*ficity. The particle will:
A. Speed up.
B. Slow down.
C. Experience no change in velocity.
D. Follow a parabolic arc
E. Follow a circular arc.
参考答案: E
本题详细解析:
暂无
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