On the bench Zhukovsky man standing and holding a vertical axis rotating in a horizontal plane of a bicycle wheel. Wheel axle coincides with the axis of the bench. The angular velocity of the rotating wheel 12 rad / s, its moment of inertia about the same axis of 0.4 kg · m2. The moment of inertia of human and benches 3.2 kg · m 2. Find how angular velocity starts to rotate the bench, if you turn the wheel around a horizontal axis at an angle of 180.

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