Answer
$24.2\ W$
Work Step by Step
Given:
The average speed of the swimmer $v =0.22\ m/s$
The average drag force $f =110\ N$
Average power of the swimmer is $P= fv$
Therefore;
$P=(110\ N)(0.22\ m/s) = 24.2\ W$
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 8 - Potential Energy and Conservation of Energy - Problems - Page 211: 99
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