During a ballistics test a bullet is fired into a thick gel to bring it to a stop. A 5.5-g bullet traveling at
325 m/s is brought to a stop in the gel by an
average force of 300 N

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.