Dievsky V.A. - Solution of task D2 variant 1 (D2-01)

Dievsky V.A. - Solution of task D2 variant 1 (D2-01)

D2-01 Dievskiy

The fan rotating with an angular velocity ω0 = 3 rad / s, is braked by forces of resistance, whose moment M = 25ω2. The moment of inertia of the fan relative to the axis of rotation is J = 40 kg. M2. Determine, during what time the angular velocity of the fan will be reduced by half.

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