A hollow sphere is released from the top of an inclined plane of inclination q. Find the…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A hollow sphere is released from the top of an inclined plane
of inclination q.
Find the kinetic energy of the sphere as it moves down a length l on the incline if the friction coefficient is half the value calculated in problem 149 .
- \(\frac{9}{5} m g \ell \sin \theta\)
- \(\frac{7}{8} m g \ell \sin \theta\)
- \(\frac{3}{8} m g \ell \sin \theta\)
- \(\frac{5}{8} m g \ell \sin \theta\)
Answer
(B) 7 8 m g
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