Physics Unit11: Vibrations and Waves (id: ffa6059b9)

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]
A piano string of line-cxti-r.l s; d:jp3 02; fypvrlzhud7 ar mass density 0.0050 kg/m is unqz )(fh-, 5 okn4u tyqrdx/:qvder a tension of 1350 N. What is the wk 5ny:zrq4h(v, q/ xdtuqf) o-ave speed?

A. 130 m/s
B. 260 m/s
C. 520 m/s
D. 1040 m/s


参考答案:  C


本题详细解析: 暂无

微信扫一扫，分享更方便