Question a positive charge of 440 uc is fixed in place from, Ask an Expert

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Question: A positive charge of 4.40 uC is fixed in place. From a distance of 4.20 cm a from the fixed positive charge, a particle of mass 5.20 g and charge +3.30 uC is released from rest.

A- What is the speed of the +3.30 uC when it is 7.10 cm away from the fixed positive charge?

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