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Points A, B, and C are at the corners of an equilateral triangle of side 4.00 m. Equal positive charges of 3.00 μC are at A and B (a) What is the potential at point C? kV (b) How much work is required to bring a positive charge of 5.00 pC from infinity to point C if the other charges are held fixed? (c) How much additional work is required to move the +5.00 μC point particle from point C to the midpoint of side AB?

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