Physics Unit11: Vibrations and Waves (id: 340ab11db)

本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理

[单选题]
An object in simple harmonic motxbc*sr f+ ;/l;vmdq.rion obeys the fo7:73kepv ljdr3rqa sxb h/n*)llowing position versus time equ3 aed):n /x*rjb pvk37hql7s ration:
$y = 0.50 \; \sin (\pi/2 \times t)$. What is the maximum speed of the object?

A. 0.13 m/s
B. 0.26 m/s
C. 0.39 m/s
D. 0.79 m/s


参考答案:  D


本题详细解析: 暂无

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