Four equal positive point charges, each of charge 6.4C, are at the corners of a square of
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Four equal positive point charges, each of charge 6.4µC, are at the corners of a square of side 9.2 cm. What charge should be placed at the center of the square so that all charges are at equilibrium? Is this a stable or an unstable equilibrium (Section 9-4) in the plane?
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A negative charge must be placed at the center of the square Let be the charge at each corner let be ...View the full answer
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