Solution of task 11.4.11 from the collection of Kepe OE

Solution of task 11.4.11 from the collection of Kepe OE

11.4.11
On the side AB of the rectangular plate rotating in the plane of the drawing, the point M moves according to the law AM = 3 sin (π / 3) t. Determine the angular velocity of the plate ωε at time t = 2 s, if the Coriolis acceleration at point M is 4π m / s2 at this moment. (Answer 4)