Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 13 - Oscillations About Equilibrium - Problems and Conceptual Exercises - Page 451: 102

Answer

(B) $2.2$ Hz

Work Step by Step

According to the graph, when the temperature is $68^{\circ} F$, there are about 30 chirps per 13 s. To find the frequency of chirps, find the "chirps per second" measure. This yields a frequency of $$f=\frac{30chirps}{13s}=2.3 Hz$$ This is closest to choice B.
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