Question: Three point charges are arranged on a line. Charge q3 = + 5.00 nC and is at the origin. Charge q2 = - 3.00 nC

Three point charges are arranged on a line. Charge q3 = + 5.00 nC and is at the origin. Charge q2 = - 3.00 nC and is at x = +4.00cm. Charge q1 is at x = +2.00cm. What is q1 (magnitude and sign) if the net force on q3 is zero?

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