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Statement of a problem № 3276

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A small sphere of mass m and radius r rolls without slipping on the inside of a large hemisphere of radius R, the axis of symmetry being vertical. It starts from rest. When it arrives at the bottom show that (a) the fraction K(rot)/K(total) = 2/7 (b) the normal force exerted by the small sphere is given by N = 17mg/7

Solution:
A small sphere of mass m and radius r rolls without slipping on the inside of a

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