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Two small plastic spheres are given positive electric

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 9E Chapter 21

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 9E

Two small plastic spheres are given positive electric charges. When they are 15.0 cm apart, the repulsive force between them has magnitude 0.220 N. What is the charge on each sphere (a) if the two charges are equal and (b) if one sphere has four times the charge of the other?

Step-by-Step Solution:

Solution 9E Step 1 of 6: By coulomb's law, the force between two point charges is directly proportional to product of charges and inversely proportional to the square of the distance between them. k |Q||Q| That is, Coulombic force, F = r2 Where K constant, Q is charge and r is the distance between charges.

Step 2 of 6

Chapter 21, Problem 9E is Solved
Step 3 of 6

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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Two small plastic spheres are given positive electric