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A stone is dropped from the top of a tower 490 m high into a pond of water at the base of the tower. The splash is heard after (Given g = 9.8 m/s², speed of sound = 350 m/s)
A) 11.4 sec B) 10 sec C) 22.8 sec D) 20 sec
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Explanation:
The answer is c) 22.8 sec
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