Two small spheres spaced 20.0 cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 x 1021 N? (note: excess electron = q/e)

Two small spheres spaced 20.0 cm apart have equal charge. How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 x 1021 N? (note: excess electron = q/e)

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter18: Electric Charge And Electric Field

Section: Chapter Questions

Problem 5PE: Suppose a speck of dust in an electrostatic precipitator has l.0000 1012 protons in it and has a...

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1.
Two small spheres spaced 20,0 cm apart have equal charge.
How many excess electrons must be present on each sphere if
the magnitude of the force of repulsion between them is
4.57 x 10 21 N? (note: excess electron = q/e)
%3D

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