Dievsky V.A. - Solution of task D2 variant 22 (D2-22)

Dievsky V.A. - Solution of task D2 variant 22 (D2-22)

D2-22 Dievskiy

After the gas supply is cut off, the turbine rotated with an angular velocity ω0 = 6 rad / s is inhibited by the forces of aerodynamic resistance, the moment of which is M1 = 15ω2, and frictional forces in bearings, the moment of which is M2 = 130 Nm. The moment of inertia of the turbine relative to the axis of rotation is J = 120 kg. M2. Determine the number of revolutions of the turbine from the moment of the onset of braking to its stop.

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