A sailor strikes the side of his ship just below the waterline. He hears the echo of the sound reflected from the ocean floor directly below

Question

A sailor strikes the side of his ship just below the waterline. He hears the echo of the sound reflected from the ocean floor directly below 3.5 s later. How deep is the ocean at this point?

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Dulcie 3 years 2021-07-26T14:03:33+00:00 1 Answers 30 views 0

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  1. kimcuc
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    2021-07-26T14:04:55+00:00
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    Answer:

    2625 m deep

    Explanation:

    Let the sound speed in sea water be 1500 m/s. If he hears the echo 3.5s after the strike, then the sound would have traveled a distance of 1500 * 3.5 = 5250 m to the bottom and back. This would mean the ocean is 5250 / 2 = 2625 m deep.

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