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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 4 - Motion in a Plane > A staircase contains three steps each 10 cm high and 20 cm wide figure. What should be the minimum horizontal velocity of a ball rolling off the upper most plane so as to hit directly the lowest plane?

A staircase contains three steps each 10 cm high and 20 cm wide figure. What should be the minimum horizontal velocity of a ball rolling off the upper most plane so as to hit directly the lowest plane?

A ball rolls off the top of a staircase with a horizontal velocity u m/s. If the steps are h metre high and b metre wide if the ball will hit the edge of the nth step