Physics, asked by aimansaeed726, 1 month ago

Why the speed of a rolling disc is greater than the speed of a rolling hoop while both have same masses?

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Answered by Anonymous

Answer:

Conservation of energy gives: For rolling without slipping, ω = v/r. The difference between the hoop and the cylinder comes from their different rotational inertia. ... The cylinder will reach the bottom of the incline with a speed that is 15% higher than the top speed of the hoop.

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