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For a system of particles
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Conservation of Angular Momentum:
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If  then  |
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Angular momentum |
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If the rigid body rotates around an axis of symmetry  |
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Conservation of angular momentum |
Example: Two flywheels are clutched together. Find out the final angular speed.
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Conservation of angular momentum |
Example: A door is hinged on one side so that it can rotate without friction about a vertical axis. Find out the angular speed of the door just after the bullet embeds itself in the door.
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