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4 How far apart must two clectrons with a charge of -1.6 x 10"C be if the force between them is 2.0 x 10 1 N?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 41P: A 2.5-g copper penny is given a charge of 2.0109C . (a) How many excess electrons are on the penny?...

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d How far apart must two clectrons with a charge of -1.6 x 10" C be if the force between them is
2.0 x 10 10 N?

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