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# What is the electric potential vtot at the center of the square? make the usual assumption that the potential tends to zero far away from a charge what would be the kinetic energy k2q of charge 2q at

What is the electric potential vtot at the center of the square? make the usual assumption that the potential tends to zero far away from a charge what would be the kinetic energy k2q of charge 2q at a very large distance from the other charges?