JEE Main 2024 Physics question
A ball rolls off the top of a stairway with horizontal velocity u. The steps are 0.1 m high and 0.1 m wide. The minimum velocity u with which that ball just hits the step 5 of the stairway will be ms⁻¹ where x = [use g = 10 m/s²]
Answer: 2
Solution
To hit the 5th step the ball must just clear the 4th step: horizontal range R = 0.4
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