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Problem: A 20.0-g piece of Styrofoam carries a net charge of -0.648 µC and is suspended in equilibrium above the center of a large, horizontal sheet of plastic that has a uniform charge density on its surface.
Part A: What is the charge per unit area on the plastic sheet?
_______________µC/m2
Please include each step and the equations you used to determine the charge per unit area on the plastic sheet. Thanks!
Determine the net charge contained within the cube.
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