Question

A certain wheel has a rotational inertia of 12 kgm2. 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) 0.015Nm
B) 0.18 Nm
C) 0.57 Nm
D) 2.1 Nm
E) 13Nm

Answer

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