The drawing shows a square, each side of which has a length of L = 0.250 m. Two different positive charges 9₁ and 92 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = -3.00 x 109 C placed at corner A and then at corner B. A 91=+1.50 × 10-⁹C 92= +4.00 × 10⁹ c
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