Class 11PhysicsSystem of Particles and Rotational MotionConservation of angular momentum (combined translation and rotational motion)
Medium$A$ disc with moment of inertia $I_1$ is rotating with an angular velocity $\omega$ about an axis passing through its center and perpendicular to its plane. Another disc with moment of inertia $I_2$ is placed on it,rotating about the same axis. What will be the combined angular velocity of both discs?
- A$\frac{I_2 \omega}{I_1 + I_2}$
- B$\omega$
- C$\frac{I_1}{I_1 + I_2} \omega$
- D$\frac{I_1 + I_2}{I_1} \omega$
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