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A uniform electric field, with a magnitude of 490 N/C, is directed parallel to the positive x-axis. If the electric potential at x = 4.00 m is 1 000 V, what is the change in potential energy of a particle with a charge of + 2.60 x 10-3 C as it moves from x = 1.5 m to x = 2.8 m?

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