Physics, Books a la Carte Edition (5th Edition)

5th Edition

ISBN: 9780134020853

Author: James S. Walker

Publisher: PEARSON

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

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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…

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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 48PCE

A motorcycle and a police car are moving toward one another. The police car emits sound with a frequency of 523 Hz and has a speed of 32.2 m/s. The motorcycle has a speed of 14.8 m/s. What frequency does the motorcyclist hear?

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Chapter 14, Problem 47PCE

Chapter 14, Problem 49PCE

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Two golf carts have horns that emit sound with a frequency of 394 Hz. One golf cart is not moving and with the horn off. The other cart is traveling toward the non-moving cart with a speed of 9.5 m/s with respect to the ground. What frequency does the a person in the non-moving car hear? The speed of sound at the golf course is 345 m/s.

A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1175 Hz. The bird-watcher, however, hears a frequency of 1230 Hz. What is the speed of the bird if the velocity of sound in air is 343 m/s?

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Chapter 14 Solutions

Physics, Books a la Carte Edition (5th Edition)

Ch. 14.1 - Rank the following systems in order of increasing...Ch. 14.2 - Suppose the tension in a string is doubled, its...Ch. 14.3 - A particular harmonic wave is described by the...Ch. 14.4 - Which is faster: wave 1 in medium 1 with a...Ch. 14.5 - Enhance Your Understanding (Answers given at the...Ch. 14.6 - Observer 1 approaches a stationary 1000-Hz source...Ch. 14.7 - Prob. 7EYU Ch. 14.8 - When a string oscillates with the standing wave...Ch. 14.9 - Rank the following systems in order of increasing...Ch. 14 - A long nail has been driven halfway into the side...

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