Problem 10720.

Problem 10720.

Two identical flywheels at rest were given the same angular velocity of 63 rad/s and left to their own devices. Under the action of friction forces, the first flywheel stopped after one minute, and the second made 360 revolutions to a complete stop. Which flywheel had more braking torque and by how many times?

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A detailed solution with a brief note of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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