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 to6j+ t da.n.-xkze ,udk 3 8vduqyu*-zrc/tf;n3in6fz( a5g v h the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concz v 3yghni 6 t;-uf/v*(u35adczrq8fnrete, 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:

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