Answer
Please see the work below.
Work Step by Step
We know that
$F=mr\omega^2$
$F=mr(\frac{2\pi}{T})^2$
$F=\frac{4\pi^2mr}{T^2}$
Essential University Physics: Volume 1 (4th Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0-134-98855-8
ISBN 13:
978-0-13498-855-9
Chapter 5 - Exercises and Problems - Page 90: 21
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