Problem 11084.
A horizontal platform weighing 100 kg and a radius of 1 m rotates at a frequency of n1 = 0.5 rev / c around the vertical axis passing through the center of inertia of the platform. A man weighing 60 kg stands on the edge of the platform. With what frequency n2 will the platform rotate if a person descends from the platform? Consider the platform as a disk, and a person as a material point.
A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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