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Q1. Two small insulating spheres with radius 7.50×10-2 m are separated by a large center-to-center distance of 0.455 m. One sphere is negatively charged, with net charge -2.25 mu C, and other sphere is positively charged, with net charge 4.00 mu C. The charge is uniformly distributed within the volume of each sphere
Q2. An object moves along the x axis according to the equation x(t) = (3.00t2 - 2.00t + 3.00) m. find out (a) average speed between t = 2.00 s and t = 3.00 s, (b) instantaneous speed at t = 2.00 s and at t = 3.00 s, (c) average acceleration between t = 2.00 s and t = 3.00 s, and (d) instantaneous acceleration at t = 2.00 s and t = 3.00 s.
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