A Certain Wheel Has a Rotational Inertia of 12 Kg∙m²

Multiple Choice

A certain wheel has a rotational inertia of 12 kg∙m².As it turns through 5.0 rev its angular velocity increases from 5.0 rad/s to 6.0 rad/s.If the net torque is constant its value is:

A) 0.015 N∙m
B) 0.18 N∙m
C) 0.57 N∙m
D) 2.1 N∙m
E) 13 N∙m