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AP Physics C: Mechanics
6.4 Conservation of Angular Momentum
6.3 Angular Momentum and Angular Impulse
5.4 Rotational Inertia
Multi-Unit
IntermediateMCQMathematical23.9k
Top view of the rod and incoming clay projectile before collision.
Top view of the rod and incoming clay projectile before collision.
A uniform thin rod of mass \(M\) and length \(L\) is pivoted at one end about a frictionless vertical axle so that it can rotate freely in a horizontal plane. The rod is initially at rest. A lump of clay of mass \(m\) travels horizontally with speed \(v_0\) perpendicular to the rod and strikes the rod at its free end, sticking to it. Which of the following expressions represents the angular speed \(\omega\) of the rod-clay system immediately after the collision?

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