A ship is moving at a speed of 30 km/h. To know the depth of the ocean – McqOptions

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1.	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 receives the signal after it has moved 500 m. The depth of the ocean is
A.	143 /2 km. Vargmool
B.	12 km.
C.	6 km. Vargmool
D.	8 km.
Answer» B. 12 km.

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