During a certain time interval, the angular position of a swinging door is described by 6 = 4.93 + 10.3t + 2.09t, where 6 is in radians and t is in seconds. Determine the angular position, angular speed, and angular acceleration of the door at the following times. (a) t = 0 rad W = rad/s rad/s2 a = (b) t = 2.98 s rad rad/s a = rad/s2