Conceptual Physics (12th Edition)

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

Chapter 7 - Reading Check Questions (Comprehension) - Page 126-127: 12

Answer

300 J

Work Step by Step

Change in KE = work done $$(100 N – 70 N)(10 m) = (30 N)(10 m) = 300 J$$
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