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Calculating Electric Charge: Coulomb's Law Demystified
Chapter 21, Problem 21.6(choose chapter or problem)
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 \(4.57 \times 10^{-21}\) N?
Questions & Answers
QUESTION:
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 \(4.57 \times 10^{-21}\) N?
ANSWER:
Step 1 of 3
Introduction
We have to first find out the charge of each sphere, then from the charge we can calculate the number of electrons.
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Calculating Electric Charge: Coulomb's Law Demystified
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Unlock the secrets of calculating electric charge using Coulomb's Law and discover the fascinating world of electrostatic forces. Learn how to determine the charge on two spheres, spaced 20.0 cm apart, and understand the role of elementary particles in this physics tutorial.