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]
98.10: A charged particle with constant vet1uw nbtw2s )ulb*c2ds4(r .4* evdk tlocity ew*lh .xw pty xds1k/,+nters a uniform magnetic field whose direction is parallel to thet+x 1.pkwdx/s,h*l wy particle’s velocity. 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: C
本题详细解析:
暂无
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