A 10.0-g piece of Styrofoam carries a net charge of 20.700
Chapter 24, Problem 25(choose chapter or problem)
A 10.0-g piece of Styrofoam carries a net charge of 20.700 mC and is suspended in equilibrium above the center of a large, horizontal sheet of plastic that has a uniform charge density on its surface. What is the charge per unit area on the plastic sheet?
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