The disk of Prob. 5/20 is at the angular position at time t = 0 . Its angular velocity a...

The disk of Prob. 5/20 is at the angular position at time t = 0 . Its angular velocity at rad/s, and then it experiences an angular acceleration given by , where is in radians and is in radians per second squared. Determine the angular position of point A at time t = 2 s.