Question

A man stands in front of a cliff and fires a gun. He hears an echo alter 4seconds. On moving closer to the clift by 4 1 .25m and again firing a gun, he hears an echo after 3.75sec.calculate a) speed of sound b) distance of the man from the clift to his initial position​

Answer 1

Explanation:

it is the eeco not law of force or motion

understand

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