A ball rolls off the top of a stairway with horizontal velocity u. The steps are 0.1 m high and 0.1 m wide. The minimum velocity u with which that ball just hits the step 5 of the stairway will be √x ms⁻¹ where x = ___________ [use g = 10 m/s²].
Physics · Kinematics part-2 Projectile Motion · Projectile from height
A ball rolls off the top of a stairway with horizontal velocity u. The steps are 0.1 m high and 0.1 m wide. The minimum velocity u with which that ball just hits the step 5 of the stairway will be √x ms⁻¹ where x = ___________ [use g = 10 m/s²].