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Physics 24 Online
OpenStudy (anonymous):

A QL = -18 μC charge is placed on the x-axis at x = - 0.1 m. A QR = -54 μC charge is placed at x = 0.1 m. (for all answers below assume that x-hat points towards positive x). a) What is the force on the charge QR? Express your answer using three significant figures. Answer in x-hat*N. b) What is the force on the charge QL? Answer in x-hat*N. c) Where on the x-axis is the TOTAL electric field zero? Answer in m.

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