A ball rolls off the top of a staircase with a horizontal velocity u m//s. If the steps are h meter high and b meter wide, the ball will hit the edge of the nth steps, if:
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Solution
Given
- The height of each step is h m
- The breadth of each step is b m
- Initial Velocity is u (along horizontal)
Here,the ball hits the edge of the nth step :
- The distance covered along vertical would be 'nh' m
- The breadth covered would be 'nb'm
To finD
Value of n
From,
Along the Height,
- Initial Velocity is zero
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