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Part A A charge Q is transferred from an initially uncharged plastic ball to an identical ball 49 cm away. The force of attraction

Part A A charge Q is transferred from an initially uncharged plastic ball to an identical ball 49 cm away. The force of attraction is then 39 mN. How many electrons were transferred from one ball to the other? Express your answer using two significant figures. V xa a b x x 00 18

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