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A charge of +8.8 micro-coulombs with a mass of 0.56 kg lies on a horizontal surface. Another charge of +8.8 micro-coulombs is located directly above the charge on the surface a distance of 27.9 cm. What is the amount of the normal force on the charge on the surface in Newtons, when including both the weight of the object and the electric force on it? Answer

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