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Three point charges are placed on the x-y plane: a +40.0 nC charge at the origin,...

Three point charges are placed on the x-y plane: a +40.0 nC charge at the origin, a −40.0 nC charge on the x axis at 15.0 cm, and a +125.0 nC charge at the point (15.0 cm, 6.00 cm). (a) Find the total electric force on the +125.0 nC charge due to the other two. (b) What is the electric field at the location of the +125.0 nC charge due to the presence of the other two charges?

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