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An equilateral triangle *
Three positive charges, A, B, and C, of 3 · 10-6, 2 · 10-6, and 2 · 10-6 coulombs, respectively, are located at the corners of an equilateral triangle of side 0.2 m.
(a) Find the magnitude in newtons of the force on each charge.
(b) Find the magnitude in newtons/coulomb of the electric field at the center of the triangle.
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