Physics Unit8: Rotational Motion (id: f3e055913)

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本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics

[单选题]
A pulsar (a rotating neutrqubfi;6an7q 4 4cvf :hon star) emits pulses (v)uyu w*o qis,io5aj+, ,.yi.u ivsa at a frequency of 0.40 kHz. The period of its rotation io(w aay j5+)iu,.i*. ,qi ousyvuvsi,s

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