Conceptual Physics (12th Edition)

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

Chapter 35 - Think and Discuss: 99


See below.

Work Step by Step

Mass can disappear and be converted to energy, or be created from energy. The relationship is $E=mc^{2}$. Instead of saying that matter can neither be created nor destroyed, we should say "mass-energy can neither be created nor destroyed".
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