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The horizontal platform 80 kg and 1 m radius rotates at 20 rev / min. At the center of the platform stands a man and holding weights in his hands arranged. What is the number of turns will make the platform, if a person, his arms, reduce its moment of inertia of 3 to 1 kg * m ^ 2? Consider a circular disk platform. How many times has increased the kinetic energy of platforms with a man?
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- Added to the site 09.03.2024
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A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
If you have any questions about the solution, write. I try to help.
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