A Hoop of Radius 3

Multiple Choice

A hoop of radius 3.05 n has a mass of 145 kg.Its moment of inertia is mR².The hoop rolls without slipping along a horizontal plane.If the center of mass of the hoop has a speed of 0.305 m/s,the work required to bring the hoop to rest is

A) 6.78 J
B) 13.5 J
C) 682 J
D) 217 J
E) 4.34 kJ