A sailor strikes the side of his ship just below the surface of the sea. he hears the echo of the wave reflected from the ocean
floor directly below 5.0 s later. how deep is the ocean at this point
1 answer:
Answer: 3750 m
Explanation:
1) You can find in the literature or internet that the speed of sound in the ocean is about 1500 m/s.
2) Then, you can find the distance travel by the sound wave in 5.0s with the equation distance = speed × time
⇒ distance = 1500m/s × 5.0 s = 7500 m
3) That sound went down until the ocean floor below and cameback all the way until the sailor heard it.
Then, the deep of the ocean fllor is half that distance:
deep = 7500m / 2 = 3750m
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