A12.0-inch diameter turntable starts from rest and takes 2.00 s to reach its final rotation rate of 33.3 rpm. find: (a) the angular acceleration; (b) the number of revolutions completed in 5.00 s; (c) the time needed to complete 2.00 revolutions; (d) the radial and tangential accelerations of a point on the rim at 3.00 s.