Solution of task 9.8.4 from the collection of Kepe OE

Solution of task 9.8.4 from the collection of Kepe OE

9.8.4
The triangle ABC makes a plane-parallel motion. Determine the distance from the vertex A to the instantaneous center of acceleration, if the acceleration aA = 10 m / s2, the angular velocity at the moment? = 2 rad / s and angular acceleration? = 3 rad / s2. (Answer 2)