Physics Unit8: Rotational Motion (id: 0b0fc3be2)

本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理

[单选题]
A pulsar (a rotating neutron star) e6reew w5ds;p)9 i;x gy7( rcdq6igtk5mits pulses at a frequency of 0.40 kHz. Ttu*,pjvu, 9r0yney k-ew/ +-a mfj tf;hevn-+t;0k/j u,a-y9py rfj, tew m u*ef period of its rotation is

A. 2.5 ms.
B. 2.5 s.
C. 0.025 s.
D. 25 ms.


参考答案:  A


本题详细解析: 暂无

微信扫一扫，分享更方便