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Two identical small metal spheres are separated by 1.00 x 10^5 m and exert an 18.9 N repulsive force on each other. a wire is connected between the spheres and then removed. the spheres now repel each other, exerting 22.5 N force. assume both charges are positive.
a) determine the total charge of this system
b) determine the charges of the spheres before the connection
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What are magnitude and direction of the force
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