Exercise 4.2: You have an equilateral triangle on the side d = 1 cm. In each of Its vertices there are a one-time charge. Determine the force on each load when (a) 91 = 42 = 4z = 1uC (b) q1 = q2 = q3 = -1pc (c) q1 = q2 = 1uc, q3 = -1pc %3D
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