4th Edition

ISBN: 9780134988559

Author: Wolfson, Richard

Publisher: Pearson Education,

Concept explainers

A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).

Quality Of Sound

A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vib…

Categories of Sound Wave

People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules th…

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Textbook Question

Chapter 14, Problem 78P

You move at speed u toward a wave source that’s stationary with respect to the medium in which waves of wavelength λ propagate with speed v. Your speed relative to the wave crests is therefore v + u. Show that for you, the time between wave crests is T = λ/(v + u), and from this show that you perceive a frequency given by Equation 14.16, with the + sign.

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Chapter 14, Problem 77P

Chapter 14, Problem 79P

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Chapter 14 Solutions

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