Question

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66. A stone is dropped from the top
and it hits the ground at t = 3.5 s. If the veloc-
ity of sound in air is 300 m s -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 m s-2)​

Answer 1

Answer:

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Answer 2

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