gc textbook chapter 12 Sound (id: accb67063)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 IB物理学

[填空题]
Two open organ pipes, sounding together, pri,xi ,z tp h8r,c3v/;elagaem6c4g a/oduce a5p feeumim xa2u-(1 u, beat frequency of 11 Hz. The shorter one is 2f,puu mme 5u1e(a2i- x.40 m long. How long is the other?    m

参考答案: 2.84±2%


本题详细解析:

微信扫一扫，分享更方便