gc textbook chapter 12 Sound (id: 64a108489)

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]
A person, with his ear to th.qpyd, h i,d5qe ground, seesvueh:/ovld t/oys2ht p9 c( .3 a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels(o /2dst3cu/9:.lot yp hevvh in the air and the other in the concrete, and they are 1.1 s apart. How far away did the impact occur? See Table 12–1.$\approx$    $ \times10^{2 }$m

参考答案: 4.3±2%


本题详细解析:

微信扫一扫，分享更方便