A uniform solid sphere rolls on a horizonal surface at 20 ms -1 . It then rolls up an…
Physics · JEE Main · NTA Exams — Rotational Motion
A uniform solid sphere rolls on a horizonal surface at 20 ms-1. It then rolls up an incline having an angle of inclination at 30° with the horizontal. If the friction losses are negligible, the value of height h above the ground where the ball stops is:
- 14.3 m
- 28.6 m
- 57.2 m
- 9.8 m
Answer
(B) 28.6 m
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