Question 445816
The angular velocity is 

*[tex \LARGE \frac{8.6 rev}{7 s} = 1.23\frac{rev}{s}].


To convert to radians per second, we use a unit conversion:


*[tex \LARGE (1.23\frac{rev}{s})(\frac{2\pi rad}{rev}) = 7.72\frac{rad}{s}]