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A thin spherical shell, of mass m = 2 0 k g and radius R , rolls smoothly from rest down a ramp at an
A thin spherical shell, of mass and radius rolls smoothly from rest down a
ramp at an angle Assume that the spherical shell has the centre of mass inertia
Draw a free body diagram and answer the following questions:
a If the ball descends a vertical hight to reach the bottom of the ramp, what is its
speed at the bottom of the ramp?
b What are the magnitude and direction of frictional force that acts on the ball as it rolls
down the ramp?
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