UPSC NDA II 2012 General Ability Paper

Question : 134 of 150

Marks: +1, -0

A staircase has 5 steps each 10‌cm high and 10‌cm wide. What is the minimum horizontal velocity to be given to the ball so that it hits directly the lowest plane from the top of the staircase? ‌‌(g=10ms−2)