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Q1 Q2 -10 -2 . 9 A negative charge, Q1 = -5.50 JC, is located at a point x1 = -6.00 m and a positive charge, Q2= 6.50 JC, is located at a point X2 = 4.00 m. a. Find the magnitude and direction (attraction or repulsion) of the electric force between the charges. b. Find the magnitude and direction of the electric field at the origin due to charge Q1. c. Find the magnitude and direction of the electric field at the origin due to charge Q2. d. Find the magnitude and direction of the net electric field at the origin. e. Find the electric potential at the origin due to charge Q1. f. Find the electric potential at the origin due to charge Q2. 9. Find the net electric potential at the origin. h. How much work is needed to bring a 25 JC charge from infinity to the origin? i. Find the net electric potential energy between both charges