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A ship is moving at a speed of 30 km/h. ...

A ship is moving at a speed of 30 km/h. To know the depth of the ocean beneath it. It sends a radiowave which travels at a speed 200 m/s. The ship recevies the singal after it has moved 500 m. The septh of the ocean is :

A

` sqrt143/2` km

B

12 km

C

`sqrt6 km`

D

8 km

Text Solution

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The correct Answer is:
A
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