gc textbook chapter 12 Sound (id: 32f25bd92)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理

[填空题]
The A string on a violin has a fund zbpu1 tq ;im;,-h)s a9eijh/ramental frequencg*ap n)bddq0cw 6e2tjibev0pw)g9* ,y of 440 Hz. The length of the vibrating portion is 32 cm, and it has a mass of 0.35 g. Un9cqdnwp*,ea gb0 jdiew tb)0 g*62pv )der what tension must the string be placed?    N

参考答案: 87±2%


本题详细解析:

微信扫一扫，分享更方便