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A uniform hollow spherical ball of mass 1.75 kg and radius 40.0 cm is rolling up...

A uniform hollow spherical ball of mass 1.75 kg and radius 40.0 cm is rolling up a ramp that rises at
30.0° above the horizontal. Speed of the ball at the base of the ramp is 8.20 m/s. Moment of inertia of
2 hollow sphere is given by I=(2/3)m r . (a) What is the angular velocity of the ball at the base of the ramp?
(b) Determine how far up the ramp does it roll before it starts to roll downward. Assume rolling takes place without slipping
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Answer #1

find torque due to friction and find equation from Newton second law

Solve both equation for acceleration .

Then , using equation of motion find distance as initial speed is given and final speed is zero.

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