A solid sphere with a mass of 1.0 kg and radius of 10 cm rolls down an inclined plane that is 1.0 m long and at an angle of 26◦ from the horizontal. The sphere is released from rest at the top of the plane, and it rolls down to the bottom where it continues to roll along a horizontal surface. (a) What is the rotational speed of the sphere at the bottom of the plane? (b) What is the angular momentum of the sphere at the bottom of the plane? (c) How many revolutions does the sphere make if it rolls along the horizontal surface for 25 s before coming to a stop? Hint: you can assume the acceleration of the sphere along the horizontal surface is constant.

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 A solid sphere with a mass of 1.0 kg and radius of 10 cm rolls down an inclined plane that is 1.0 m long and
at an angle of 26◦ from the horizontal. The sphere is released from rest at the top of the plane, and it rolls
down to the bottom where it continues to roll along a horizontal surface.
(a) What is the rotational speed of the sphere at the bottom of the plane?
(b) What is the angular momentum of the sphere at the bottom of the plane?
(c) How many revolutions does the sphere make if it rolls along the horizontal surface for 25 s before coming
to a stop?
Hint: you can assume the acceleration of the sphere along the horizontal surface is constant.

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