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A light wire is tightly stretched with tension F.

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 24E Chapter 15

University Physics | 13th Edition

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

University Physics | 13th Edition

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Problem 24E

A light wire is tightly stretched with tension F. Transverse traveling waves of amplitude A and wavelength ?1 carry average power Pav,1 = 0.400 W. If the wavelength of the waves is doubled, so ?2 = 2?1, while the tension F and amplitude A are not altered, what then is the average power Pav,2 carried by the waves?

Step-by-Step Solution:

Solution 24E Step 1 of 5: The average power which is proportional to the square of the amplitude and angular frequency is given by, P avr= 1 F A2 2………..1 2 Where P avraverage power, F is restoring force(tension), is linear mass density , is angular frequency and A is amplitude. Step 2 of 5: In the given problem, the restoring force is tension force. Transverse waves on the light wire has initial amplitude A and wavelength 1arry power average P avr10.4 W. We need to calculate the average power carried P avr2when the wavelength is doubled; that is 2=2 b1 keeping tension force(F) and amplitude(A) constant. Step 3 of 5: To derive the relation between average power and wavelength, Using the fundamental relation, = vk 2 Substituting k= 2v = Where k is wavenumber, is wavelength , v is wave speed. Using this in equation 1 1 2v2 2 Pavr1= 2F( ) A …………..2

Step 4 of 5

Chapter 15, Problem 24E is Solved
Step 5 of 5

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. This full solution covers the following key subjects: waves, wavelength, average, amplitude, tension. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The full step-by-step solution to problem: 24E from chapter: 15 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. Since the solution to 24E from 15 chapter was answered, more than 1021 students have viewed the full step-by-step answer. The answer to “A light wire is tightly stretched with tension F. Transverse traveling waves of amplitude A and wavelength ?1 carry average power Pav,1 = 0.400 W. If the wavelength of the waves is doubled, so ?2 = 2?1, while the tension F and amplitude A are not altered, what then is the average power Pav,2 carried by the waves?” is broken down into a number of easy to follow steps, and 58 words. University Physics was written by and is associated to the ISBN: 9780321675460.

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