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

本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 国际高中通用物理

[单选题]
An object in simple harmon 4 4sxbd2 ueu bms73vtyfrytn99(y(/dic motion il7+x (tkt6+ zo-mchx oe7,smobeys the following position versus time equationotle-m,t6s k(m7z ++h o 7ixxc:
$y = 0.50 \; \sin (\pi/2 \times t)$. 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