### Average angular acceleration of tape deck reels

On a reel-to-tape deck, the tape is pulled past the playback head at a constant linear speed of 0.381 m/s. A) Using the data in part a of the drawing, find the angular speed of the take-up reel. B) After 2.40 x 10^3 s, the take-up reel is almost full. Find the average angular acceleration of the reel and specify whether