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 motion obeys the follown*xh.fef(54v(( c d unpqe 7wainjg7 h9f/kxdz(1 kbg p8e()f(lm8ffmqg position versus time equm 7fzmj8h)xlf( k/gf 9dbk8e1f(pg(q ation:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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

微信扫一扫，分享更方便