a stone is dropped from a certain height on earth and it takes 12 seconds to reach the ground. if the same stone is dropped from the same height on moon, find the time it will take to reach the surface of moon.
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a stone is dropped from a certain height on earth and it takes 12 seconds to reach the ground. if the same stone is dropped from the same height on moon, find the time it will take to reach the surface of moon.
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Time taken by stone at earth t = 12 sec
at earth a = g
So H = 1/2 g t^2
H = 5 * 12^2
At moon a = 6g
So H = 1/2 g/6 t^2
144 * 5 = 1/2 * 10/6 * t^2
Thus t = 29.39 Sec
Answer:
12√6 is the answer.....................