Solution of the D2 B13. The drive torque of the electric motor is inversely proportional to the square of the angular velocity M = 1.5 / w2. Moment of inertia about the axis of rotation is equal to J = 50 kgm2. Determine how long the angular velocity of the rotor triple if the initial angular velocity is equal to w0 = 0,5 rad / s.

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