the ball will just hit the edge of nth step. Find the value of n.

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A ball rolls off top of a staircase with a horizontal velocity u m/s. If the steps are h metre high and b metre wide, the ball will just hit the edge of nth step. Find the value of n.
21
Sep
A ball rolls off top of a staircase with a horizontal velocity u m/s. If the steps are h metre high and b metre wide, the ball will just hit the edge of nth step. Find the value of n. A ball rolls off top of a staircase with a horizontal velocity u m/s. If [...]
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