gc textbook chapter 12 Sound (id: a71ac0873)

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 sailor strikes the side ;rm)qjmgnp)hq n32 ,j of his sx;l i.wbd u53(v/fxnmu6b6i +tv-ya ghip just below the waterline. He hears the echo of the sound reflected from the ocean floor directly below 2.5 s later. How deep is the ocean at thisimxu3n6 5tdx/.lv -bw uvga(yf;bi6+ point? Assume the speed of sound in seawater is 1560 m/s (Table 12–1) and does not vary significantly with depth.    $ \times10^{ 3}$m

参考答案: 2±2%


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