Update ANS: A ball rolls off the top of a stairway with a initial velocity u m/s. If the steps are h metre high and its widebis d metre. That the ball will hit the edge of the nth stair, then find relation of n with h,B and u

3 May 2021

A ball rolls off the top of a stairway with a initial velocity u m/s. If the steps are h metre high and its widebis d metre. That the ball will hit the edge of the nth stair, then find relation of n with h,B and u

A ball rolls off the top of a stairway with a initial velocity u m/s. If the steps are h metre high and its widebis d metre. That the ball will hit the edge of the nth stair, then find relation of n with h,B and u

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