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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
11
Vibration and Waves
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11-1 to 11-3: Simple Harmonic Motion
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11-4: Simple Pendulum
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11-7 and 11-8: Waves
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11-9: Energy Transported by Waves
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11-11: Interference
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11-12: Standing Waves; Resonance
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 36
Q

A sound wave in air has a frequency of 282 Hz and travels with a speed of 343 m/s. How far apart are the wave crests (compressions)?

A
1.22 m1.22 \textrm{ m}
Giancoli 7th Edition, Chapter 11, Problem 36 solution video poster
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VIDEO TRANSCRIPT

This is Giancoli Answers with Mr. Dychko. The speed of the wave is frequency times its wavelength and you can divide both sides by f and solve for λ. So, the wavelength of the sound is its speed, 343 meters per second divided by its frequency of 282 hertz which is 1.22 meters.

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Giancoli Answers, including solutions and videos, is copyright © 2009-2024 Shaun Dychko, Vancouver, BC, Canada. Giancoli Answers is not affiliated with the textbook publisher. Book covers, titles, and author names appear for reference purposes only and are the property of their respective owners. Giancoli Answers is your best source for the 7th and 6th edition Giancoli physics solutions.