Conceptual Physics (12th Edition)

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

Part 1 - Multiple-Choice Practice Exam - Page 206: 19

Answer

None of these.

Work Step by Step

KE is proportional to the square of the speed. If the speed is tripled, the KE goes up by a factor of 9. This is discussed on page 114.
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