A Uniform Hollow Spherical Ball of Mass 1

question 49

Short Answer

A uniform hollow spherical ball of mass 1.75 kg and radius 40.0 cm rolls without slipping up a ramp that rises at 30.0° above the horizontal.The speed of the ball at the base of the ramp is 2.63 m/s.While the ball is moving up the ramp,find
(a)the acceleration (magnitude and direction)of its center of mass and
(b)the friction force (magnitude and direction)acting on it due to the surface of the ramp.

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