Three charged balls, with charges of +q, -3q, and +2q, are placed at the corners of a square that measures L = 80.0 cm on each side, as shown in the figure. The value of q is 2.90 × 10-6 C.Assume that the potential an infinite distance from the charges is zero.+q-39+2qEnter a number.L(a) What is the electric potential at the lower left corner of the square, due to the three charges?V..(b)..What is the electric potential at the center of the square, due to the three charges?X V

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