## College Physics (7th Edition)

a). $0.84rad/s$ b). $3.36m/s, 4.2m/s$
a). average angular speed =$\frac{24\times2pi}{180}rad/s=0.84rad/s$ b). Tangential speed of a person 4 m from center =$0.84\times4=3.36m/s$ Tangential speed of a person 5 m from center =$0.84\times5=4.2m/s$