Question

a) A man standing in front of a vertical cliff fires a gun. He hears the echo after 3 seconds.
On moving closer to the cliff by 82.5 m, he fires again. This time, he hears the echo after
2.5 seconds. Calculate:
(i) The distance of the cliff from the initial position of the man.
(ii) The velocity of sound

Answer 1

so, d= 495m and speed of sound = 330 m/s

Answer 2

Answer:

I hope this answer will help you