Answer
91.9 Hz
Work Step by Step
We find the resonant frequency:
$f = \frac{1}{2\pi}\sqrt{\frac{k}{m}}\\ f = \frac{1}{2\pi}\sqrt{\frac{2.5 \times 10^3}{7.5\times10^{-3}}}=\fbox{91.9 Hz} $
Essential University Physics: Volume 1 (3rd Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0321993721
ISBN 13:
978-0-32199-372-4
Chapter 13 - Exercises and Problems - Page 239: 42
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