An 18.0 g piece of Styrofoam carries a net charge of −9.70 ?C and floats 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 (in C/m2) on the plastic sheet? (Include the sign of the value in your answer.)

An 18.0 g piece of Styrofoam carries a net charge of −9.70 ?C and floats 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 (in C/m2) on the plastic sheet? (Include the sign of the value in your answer.)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter24: Electric Fields

Section: Chapter Questions

Problem 66PQ

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Question

An 18.0 g piece of Styrofoam carries a net charge of −9.70 ?C and floats 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 (in C/m²) on the plastic sheet? (Include the sign of the value in your answer.)

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