Question
A uniform solid sphere rolls on a horizontal
surface at 20 ms–1. It then rolls up an incline
having an angle of inclination at 30º with the
horizontal If the friction losses are negligible,
the value of height h above the ground where
the ball stops is :
(1) 14.3 m (2) 28.6 m
(3) 57.2 m (4) 9.8 m