Solution of task 11.2.18 from the collection of Kepe OE

Solution of task 11.2.18 from the collection of Kepe OE

11.2.18
The disk rotates around the Oz axis. But its rim is moving point M with a constant relative velocity vr = 9 m / s. Determine the portable speed of point M at the moment when its absolute speed is 15 m / s. (Answer 12)

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