Task 10671.
The disk rotates around an axis passing through its middle, makes 180 rpm. Determine the linear speed of rotation of points on the outer circumference of the disk and its radius, if it is known that points lying closer to the axis of rotation by 8 cm, have a speed of 2.8 m / s.
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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