A hoop with a radius of R=0.40 m was spun up to an

A hoop with a radius of R=0.40 m was spun up to an angular velocity of 10 rad/s and placed on a horizontal surface. How long will the hoop rotate on the surface if the coefficient of friction k = 0.2?
10493. A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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