Solution of task 11.2.12 from the collection of Kepe OE

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11.2.12
The point M moves along the rim of the disk, whose radius is R = 0.1 m, according to the equation OM = 0.3t. Determine the absolute velocity of the point M in the indicated position, if the law of rotation of the disk is φ = 0,4t. (Answer 0.342)