College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 5 - Work and Energy - Learning Path Questions and Exercises - Conceptual Questions - Page 174: 18



Work Step by Step

Power is defined as the rate of work done. that is work done in unit time. The kilowatt-hour is a unit of energy and not power. It is equivalent to work that a power of one kilowatt would do for 1 hour. Surely, we pay for the energy consumed.
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