what-is-the-final-angular-velocity-of-a-system-if-the-initial-moment-of-inertia-

Question

What is the final angular velocity of a system if the initial moment of inertia is 8 kg·m², initial angular velocity is 3 rad/s, and final moment of inertia is 4 kg·m²?

Accepted Answer

6 rad/s

Answer

3 rad/s

Answer

1.5 rad/s

Answer

12 rad/s