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A uniform rod A B which is free to swing...

A uniform rod `A B` which is free to swing in the vertical plane about a horizontal axis through `A`, is hanging freely as shown. A particle of equal mass strikes the rod with a velocity `v_0` and gets stuck to it. Find the angular velocity (in rad / s) of the combination immediately after the collision. (Given v_(0)=14 cm / s, L=12 cm`
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