Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 14 - Exercises and Problems - Page 263: 36


$ 7.14 \ s $

Work Step by Step

We first convert rpm to radians per second. We must find the difference in the two frequencies in order to solve. Thus, we find: $ f_1 = \frac{\omega}{2\pi}=\frac{103.09}{2\pi}=16.41\ Hz$ $ f_2 = \frac{\omega}{2\pi}=\frac{103.934}{2\pi}=16.55\ Hz$ Thus, the difference is .14 Hz. This means: $ T = \frac{1}{.14} = 7.14 \ s $
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