A ball rolls off the top of a stairway with a horizontal velocity `u`. If the height and width of
Channel: Doubtnut
Date: 16/08/2020

A ball rolls off the top of a stairway with a horizontal velocity `u`. If the height and width of steps are `b` and `h` respectively and the ball hits the edge of `n^(th)` step, then `n` is equal to