Solution of task 11.4.8 from the collection of Kepe OE

Solution of task 11.4.8 from the collection of Kepe OE

11.4.8
The disk rotates about the axis Oz according to the law φ = 4 sin 0.25 πt. By . The point M moves along the disk rim according to the equation AM = 0.25 πRt2. Determine the Coriolis acceleration of the point M at time t = 1 s, if the radius is R = 0.4 m (Answer 1.98)