Question three point charges -62 x 10-9 c -85 x 10-9 c and, Ask an Expert

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Question: Three point charges, -6.2 x 10^-9 C, -8.5 x 10^-9 C, and +6.3 x 10^-9 C, are fixed at different positions on a circle. The total electric potential at the center of the circle is -2200 V.

Question 1: What is the radius of the circle?

Please explain all work and steps to determine the radius of the circle.

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