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March 29, 2015

Homework Help: Physics

Posted by Anonymous on Friday, January 29, 2010 at 8:45am.

Four point charges are positioned on the rim of a circle. The charge on each of the four is +0.5 ÁC, +1.5 ÁC, -1.0 ÁC, and -0.5 ÁC. If the electrical potential at the center of the circle due to the +0.5 ÁC charge alone is 4.5 104 V, what is the total electric potential at the center due to the four charges?

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