Answer
30.4 meters per second
Work Step by Step
We first must find the value of $\mu$:
$\mu = \sqrt{\frac{14}{18^2}}=.04$
Thus, we can find the new velocity.
$ v = \sqrt{\frac{F}{\mu}}=\sqrt{\frac{40}{.0432}}=30.4 \ m/s$
Essential University Physics: Volume 1 (3rd Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0321993721
ISBN 13:
978-0-32199-372-4
Chapter 14 - Exercises and Problems - Page 263: 47
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