Posted by Ben on Sunday, February 19, 2012 at 5:10pm.
determine the angular velocity if 11.3 revolutions are completed in 3.9 seconds

math  Reiny, Sunday, February 19, 2012 at 5:29pm
11.3 revs/39 sec
= 11.3(2π)radians / 39 seconds
= (113/195)π radians/s or appr 1.82 rad/s