14.6.12. The body rotates around a vertical axis Oz under the action of the two pairs of forces with the moment M1 = 3i + 4j + 5k and M2 = 4i + 6j + 4k. Moment of inertia of the body relative to the axis Oz equal to 3 kg · m2. Determine the angular velocity of the body at time t = 2, if initially the body does not rotate.

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(Chapter 3 - Dynamics theme - 14.6: The theorem of change of angular momentum) of Reshebnik to the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
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