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Physics, 19.07.2019 20:30 Michael845313
Asolid ball with mass m and radius r is rolling (without slipping) on a flat surface at 6 m/s. it then gets to a small smooth hill and rolls up 80 cm to the top and continues rolling on a flat surface. (a) explain why we are allowed to apply the conservation of energy to the ball although rolling requires friction. (b) use conservation of energy to find the velocity of the ball after it has passed the hill. (moment of inertia of a solid ball around its center of mass is 2 5 mr 2
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Asolid ball with mass m and radius r is rolling (without slipping) on a flat surface at 6 m/s. it th...
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