Задача 10895.

A flywheel mass which m = 5 kg can be considered distributed along the rim radius R = 20 cm and rotates freely around a horizontal axis passing through its center, with a frequency of 12 Hz. When braking the flywheel stops after 20 seconds. Find braking torque and speed, which will make the flywheel to a stop.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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