Conceptual Physics (12th Edition)

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

Chapter 7 - Plug and Chug: 38

Answer

$$W = \Delta KE = \Delta (\frac{1}{2}mv^{2}) =\frac{1}{2}(3.0 kg)(4.0 m/s)^{2} = 24 J$$
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