Solution of task 8.4.14 from the collection of Kepe OE

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8.4.14
The gear 1 rotates uniformly with an angular velocity of 1 = 6 rad / s.
Determine the acceleration of point M if the wheel radii R1 = 0.3 m, R2 = 0.9 m, distance O1M = 0.3 m. OA = O1B and AB = OO1.
(Answer 1.2)