Conservation of Angular Momentum
Two identical disks, each with a moment of inertia of I = 0.5 kg·m², rotate about the same axis with initial angular velocities of ω₁ = 6 rad/s and ω₂ = -2 rad/s, respectively. If the disks suddenly couple and rotate together, what is their final common angular velocity?
A
2 rad/s
B
0 rad/s
C
3 rad/s
D
4 rad/s
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