Answer
$v = 2.7~m/s$
Work Step by Step
We can find the shark's actual speed $v$:
$s = (\frac{n_1}{n_2})~s'$
$\frac{ds}{dt} = (\frac{n_1}{n_2})~\frac{ds'}{dt}$
$v = (\frac{n_1}{n_2})~v'$
$v = (\frac{1.33}{1.00})~(2.0~m/s)$
$v = 2.7~m/s$
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
by Knight, Randall D.
Published by
Pearson
ISBN 10:
0133942651
ISBN 13:
978-0-13394-265-1
Chapter 34 - Ray Optics - Exercises and Problems - Page 993: 59
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