Задача 11192.

A person stands on the edge of a horizontal disk that rotates without friction around a fixed vertical axis passing through its center with an angular speed of 1 rad / s. At some point in time, the person moved to the center of the disk. The mass of a person is equal to the mass of the disk. Determine the new angular velocity of the system.

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.
If you have any questions about the decision, write. I will try to help. File in image format.