Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 20 - Electric Potential and Electric Potential Energy - Conceptual Questions - Page 716: 2

Answer

Please see the work below.

Work Step by Step

We know that if the two like charges are released, then they move far apart and the positive potential energy is converted into kinetic energy. On the other hand, if the two unlike charges are released, then they attract each other (decreasing the separation distance) and the amount of work required to keep them apart is equal to the magnitude of the negative electric potential energy.
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