本题目来源于试卷: Physics Unit20: Magnetism，类别为 通用国际物理
[单选题]
A charged particle is oy70cppt g0 ssmly34 u+b 4sp0,ph7fgfbserved traveling b0 qbs69i7 gor,z.ih,g6moaf in a circular path in a uniform magnetic field. Ifoa s0i qi7fm,gbg. b,966zohr the particle had been traveling twice as fast, the radius of the circular path would be
A. twice the original radius.
B. four times the original radius.
C. one-half the original radius.
D. one-fourth the original radius.
参考答案: A
本题详细解析:
暂无
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