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A horizontal turn table in the form of a...

A horizontal turn table in the form of a disc of radius `r` carries a gun at `G` and rotates with angular velocity `omega_(0)` about a vertical axis passing through the centre `O`. The increase in angular velocity of the system if the gun fires a bullet of mass `m` with a tangential velocity `v` with respect to the gun is (moment of inertia of gun `+` table about `O` is `I_(0)`

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