Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 6 - Exercises and Problems: 74

Answer

Please see the work below.

Work Step by Step

(a) We know that $P=\frac{W}{t}$ $P=\frac{Fd}{t}$ $P=F(\frac{d}{t})$ $P=Fv$ We plug in the known values to obtain: $P={45}*{0.29}=13W$ (b) We know that W=Pt We plug in the known values to obtain: $W=(13)(60)=780J$
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