Dievsky V.A. - Solution of task D2 variant 21 (D2-21)
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Product description
D2-21 Dievskiy
A flywheel weighing 100 kg and a radius of 80 cm, rotating with an angular velocity ω0 = 15 rad / s, begins to experience resistance forces, the moment of which is proportional to the angular velocity M = 16ω. The flywheel is considered a uniform disk. Determine the number of revolutions of the flywheel from the moment of commencement of braking to its stop.
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