In a vacuum, two particles have charges of q1 and q2, where q1 = +5.1 C. They are separated by a distance of 0.23 m, and particle 1 experiences an attractive force of 4.4 N. What is the value of q2, with its sign?

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.