Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 13 - Section 13.3 - Applications of Simple Harmonic Motion - Example: 13.4

Answer

1.6 seconds

Work Step by Step

We find: $T = \frac{2\pi}{\omega}=2\pi \times \sqrt{\frac{I}{mgL}} = 2\pi \times \sqrt{\frac{\frac{1}{3}m(2L^2)}{mgL}} = 2\pi \times \sqrt{\frac{4L}{3g}}$ Plugging in the values gives an answer of $\fbox{1.6 seconds}.$
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