Answer
A watt is a unit of power, equal to a joule/second.
A kilowatt is one thousand watts, and is also a unit of power.
A kilowatt-hour is a power multiplied by a time, and is a unit of energy.
Work Step by Step
This is discussed on page 440.
Conceptual Physics (12th Edition)
by Hewitt, Paul G.
Published by
Addison-Wesley
ISBN 10:
0321909100
ISBN 13:
978-0-32190-910-7
Chapter 23 - Reading Check Questions (Comprehension) - Page 446-447: 27
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