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A uniformly charged disk of radius 25.0 cm carries a charge density of 6.50*10^-3 C/m^2. a)...

A uniformly charged disk of radius 25.0 cm carries a charge density of 6.50*10^-3 C/m^2. a) from the definition of the electric field, derive the expression for the net electric field along a perpendicular line going through the center of the disk. b) Calculate the electric field on the axis of the disk at 50.0 cm from the center of the disk. c) Calculate the electric field on the axis of the disk at 2.0m from the center of the disk

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