physics 2

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A charge, q1, of +4.4 micro-coulombs and another unknown charge, q2, are surrounded by a surface. The total flux through the surface is -9.2 x 106 (N m2)/C. These charges are now placed on the x axis. q1 is placed at x = 0, and q2 is placed at x = +114.51 cm. What is the magnitude of the total electric field produced by both charges exactly halfway between the two charges? Answer in MN/C (divide answer by 1x106 to convert to MN/C).

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