Answer
$4.9\times10^2 W$
Work Step by Step
By definition we know that
$P=F.v$
$P=Fvcos\theta$
Put the values
$P=122\times5cos37^{\circ}$
$P=487.17W$
$P=4.8717\times10^2W$
or after rounding, we get
$P=4.9\times10^2W$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 7 - Kinetic Energy and Work - Problems - Page 174: 45
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