# physics

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Three point charges are arranged along the x-axis. Charge q1 = +2.75 µC is at the origin, and charge q2 = -5.25 µC is at x = 0.220 m. Charge q3 = -6.50 µC. Where is q3 located if the net force on q1 is 7.50 N in the −x-direction?

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