Conservation of Angular Momentum in a Collision
A solid disk of moment of inertia I₁ rotates with angular velocity ω₁. It collides with and sticks to a stationary ring with moment of inertia I₂. After the collision, the combined system rotates with a final angular velocity ω₃. Which expression correctly represents the conservation of angular momentum for this system?
A
I₁ω₁ = (I₁ + I₂)ω₃
B
I₁ω₁ = I₁ω₃ + I₂ω₃
C
I₁ω₁² = (I₁ + I₂)ω₃²
D
I₁ω₁² + I₂ω₂² = (I₁ + I₂)ω₃²
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