A flywheel with a radius of 0.300 m starts from rest and accelerates with a constant angular

Question:

A flywheel with a radius of 0.300 m starts from rest and accelerates with a constant angular acceleration of 0.600 rad/s2, compute the magnitude of the tangential acceleration, the radial acceleration, and the resultant acceleration of a point on its rim
(a) At the start;
(b) After it has turned through 60.0
(c) After it has turned through 120.0.