Two identical point charges q 725 10-6 c are fixed at, Ask an Expert

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Two identical point charges (q = +7.25 10^-6C) are fixed at diagonally opposite corners of a square with sides of length 0.485 m. A test charge (q0 = -2.60 10^-8C), with a mass of 7.05 10-8 kg, is released from rest at one of the empty corners of the square. Determine the speed of the test charge when it reaches the center of the square.

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