Solution of task 11.3.13 from the collection of Kepe OE

Solution of task 11.3.13 from the collection of Kepe OE

11.3.13
On the rod AB of the hinged parallelogram OABO1, the point M moves with the acceleration a = cos t. The rod OA 2 m long rotates according to the equation φ = t. Determine the modulus of absolute acceleration of the point M at time t = π. (Answer 1)