A stone is dropped from the top of a tower and it hits the ground at t – InterviewSolution

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1.	A stone is dropped from the top of a tower and it hits the ground at t = 3.5s. If the velocity of sound in air is 300 ms^(-1), find the time taken to hear the sound by a person on the top of the tower, from the instant the body is dropped (g = 10 ms^(-2))
Answer» SOLUTION :(i) `S = (1)/(2) "GT"^(2), V = (d)/(t)` (ii) `3.75 s`

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