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CGP EDU Academic Team
Published on: August 13, 2026
A ball rolls off the top of a stair way with a horizontal velocity of 4.5 m/s. If each step is 0.2 m high and 0.3 m broad, then the ball will strike the n th step where n is equal to: (g = 10 m/s 2 )
Text Solution
Verified by ExpertsThe correct answer is:
D
As we have derived this formula in class room.
h = 
= 
= 9
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