The flywheel has a disk shape with a diameter of 40 cm and a weight of 100 kg; it rotates with a frequency of 10 / c. The flywheel is stopped by the brake pads, which clinging to its rim, creates a friction force of 60 N. Find: 1. The moment of friction forces 2. The moment of inertia of the flywheel 3. The angular acceleration during deceleration (in absolute value) 4. How much time will stop the flywheel?

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