Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 13 - Exercises and Problems: 42

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} $
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