Disc I₁ rotates at angular speed ω. A second disc I₂ is laid coaxially on it at rest; they eventually rotate together. Find the combined angular speed.

Physics · Rotational Motion · angular impulse in pure rotation and rotational collision

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Disc I₁ rotates at angular speed ω. A second disc I₂ is laid coaxially on it at rest; they eventually rotate together. Find the combined angular speed.

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