The speed of sound in air at 20o C is 344 m/s. (a) What is

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

ISBN: 9780321675460 31

Solution for problem 1E Chapter 15

University Physics | 13th Edition

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Problem 1E

The speed of sound in air at 20o C is 344 m/s. (a) What is the wavelength of a sound wave with a frequency of 784 Hz, corresponding to the note G5 on a piano, and how many milliseconds does each vibration take? (b) What is the wavelength of a sound wave one octave higher (twice the frequency) than the note in part (a)?

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9/7/2016 3.3 Hearing What do we hear  Sound waves: vibrations of air o Just like we don’t see all the possible wavelengths of light out there, we also don’t hear all the frequencies of possible sound waves. o We hear between 2020,000 Hz (cycles per second) Features of sound 1. Pitch (low, high, medium tone) o Corresponds...

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