A ship send a signal and received it back from the bottom of the sea after 6s. What is the depth of the sea at that place?
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Explanation:
This is a basic application of propogation of sound in water.
We know that,
Speed of sound in water=1480m/s
Here the time taken for the sound to reach the bottom of the sea is 3s and then the sound to reach back id again 3s.
So in order to get the depth we only need to consider one of the case.
So velocity=distance/time
1480×3=depth
4440m=depth
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