Asked by | 20th Jul, 2009, 09:36: AM
( a ) Diver would hear the sound first.
(b) Time taken by sound = Distance / speed of sound in the given medium.
Now, the speed of sound in water is approximately 4 times more than that in air ; and the distance of the boat man and diver is same from the point of explosion. Hence sound will reach the diver in less time.
(c) 0.25 t
Answered by | 23rd Jul, 2009, 01:11: AM
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