A hollow sphere of mass 100g released from the top of an inclined plane inclination phi(=45^(@)) and height h(=8m). The coefficient of friction between the plane and the sphere is 0.25. The work doen (in J) by the force of friction as the sphere rolls down the inclined plane.

A hollow sphere of mass 100g released from the top of an inclined plan

1.	A hollow sphere of mass 100g released from the top of an inclined plane inclination phi(=45^(@)) and height h(=8m). The coefficient of friction between the plane and the sphere is 0.25. The work doen (in J) by the force of friction as the sphere rolls down the inclined plane.
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