Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 35 - Reading Check Questions (Comprehension) - Page 682: 9

Answer

Three coordinate axes (x, y, z) are typically used to measure space ("3D"). The fourth dimension measures time.

Work Step by Step

This is discussed on pages 663-664.
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