5th Edition

ISBN: 9780321976444

Author: James S. Walker

Publisher: PEARSON

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 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

Students have asked these similar questions

An eagle flying at 28 m/s emits a cry whose frequency is 370 Hz. and speed is 11 m/s. A blackbird is moving in the same direction as the eagle at 10.78 m/s. (Assume the speed of sound is 343 m/s). What frequency does the blackbird hear (in Hz) as the eagle approaches the blackbird?

An eagle flying at 28 m/s emits a cry whose frequency is 370 Hz. and speed is 11 m/s. A blackbird is moving in the same direction as the eagle at 10.78 m/s. (Assume the speed of sound is 343 m/s). what frequency does the blackbird hear (in Hz) after the eagle passes the blackbird?

What frequency is received by a person watching an oncoming ambulance moving at 100 km/h and emitting a steady 800-Hz sound from its siren? The speed of sound on this day is 700 m/s.

Chapter 14 Solutions

Physics (5th Edition)

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