Question

The roller on a computer printer makes 2200 revolutions per minute. what is its angular velocity?

Answer 1

(2200 rev/min) x (360 deg/rev) x ( min/60 sec) = 13,200 degrees per second

(2200 rev/min) x (2 pi radians/rev) x (min / 60 sec) = 73 and 1/3 pi radians/sec