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Question: Two particles are fixed along a straight line, separated by a distance 3.2 cm. The left one has a charge +3.0 nC and the right one has a charge of +5.0 nC. You must try to locate a point where the electric field is zero. What is the location of the point? how far from the left charge is the point? Suppose that the left charge is -3 nC. Now where would you find a point where the electric field is zero? and how far is the point measured from the left charge?

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