本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
A pulsar (a rotating neutron star)qg 0k90gczoo; mk/d6l :uc7u n emits pulses at a frequency of 0.7wq +g *wp4uu6smkdn/n7*xqq40 kHz. The per4dqp wq+6m7n*/*7kwqxgsu n uiod 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
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Post time 2024-1-22 02:51:16