Task 00139.

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The disk, the moment of inertia of which is J = 40 kg∙m2, begins to rotate uniformly accelerated under the action of the moment of force M = 20 N∙m. 1) What is the angular momentum of the body after t = 10 s of rotation? In the figure, show the direction of this angular momentum; 2) How many complete revolutions will the disk make in this period of time?

Detailed solution with a brief record of the conditions, formulas and laws used in the decision, the conclusion of the calculation formula and the answer.
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Task 00139.

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