Question: A uniform sphere of mass m and radius R starts rolling without slipping down an inclined plane at an angle a to the horizontal. Find

A uniform sphere of mass m and radius R starts rolling without slipping down an inclined plane at an angle a to the horizontal. Find the time dependence of the angular momentum of the sphere relative to the point of contact at the initial moment. How will the obtained result change in the case of a perfectly smooth inclined plane?

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