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Speed of a charged rod

A rod of length L=20.2 cm and mass m=31.9 g carries a uniform charge distribution with total charge The rod is oriented vertically, held in place with its base at the center of a ring carrying the same total charge  in a uniform distribution around the ring. The ring is fixed to the hull of a spacecraft moving at constant velocity in deep space and has radius 

Suppose the rod is released from its position. What is the velocityv of the rod relative to the spacecraft when the rod is very far away?

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