What is the magnitude E of the electric field midway between the spheres?
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Two small insulating spheres with radius 9.00×10−2 mm are separated by a large center-to-center distance of 0.465 mm . One sphere is negatively charged, with net charge -1.20 μC , and the other sphere is positively charged, with net charge 3.95 μC . The charge is uniformly distributed within the volume of each sphere.
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