gc textbook chapter 11 Vibrations and Waves (id: c4c9657f2)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

[填空题]
A sailor strikes the side of his ship jx -qq*h:dwf n4ust belo*w5cvs 3 kt8 a;fu*tdyw the surface of the sea. He hears the echo of the wave reflected from u 8tw;k3tfvyc 5*s a*dthe ocean floor directly below 3.0 s later. How deep is the ocean at this point?    m

参考答案: 2100±2%


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