Answer
$2 \sqrt{\frac{L}{g}}$
Work Step by Step
In a previous problem, we found:
$v = \sqrt{yg}$
Using this, we find:
$ t = \int_0^L \frac{dy}{\sqrt{yg}}= 2 \sqrt{\frac{L}{g}}$
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: 60
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