Task 10165.

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Mokhovikov a solid disc, the moment of inertia is J = 1,5 kg * m2 rotating when braking ravnozamedlenno for time t = 1 min reduced the frequency of their rotation with n1 = 240 rev / min to n2 = 120 rev / min. To determine: 1) the angular acceleration of the flywheel; 2) the time of braking forces; 3) A brake job

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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