A turntable rotating at 33 1/3 rpm is shut off. It brakes with constant angular deceleration and stops in 26 seconds. Find the average angular acceleration. I took 33 1/3 divided by 26 and then tried to convert to rad/s^2 but I keep getting the wrong answer. How should I approach this problem?

Answer 1

change rpm to rad/sec
33.33 r/min*2PI rad/rev*1min/60sec
=33.33*2PI/60 rad/sec

a=changev/time=(vf-Vi)/time=-above/26