A bicycle is traveling at 20 feet/second. If the diameter of the wheel is 24 inches, what is the angular velocity in radians/second?
C = 24pi in = 2pi ft
(20 ft/s)/(2pi ft/rev) = 10/pi rev/s * 2pi rad/rev = 20 rad/s
(20 ft/s)/(2pi ft/rev) = 10/pi rev/s * 2pi rad/rev = 20 rad/s