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Unless indicated otherwise, assume the speed of | Ch 16 - 22E

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

Solution for problem 22E Chapter 16

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 22E

Unless indicated otherwise, assume the speed of sound in air to be v = 344 m/s. The Sacramento City Council adopted a law to reduce the allowed sound intensity level of the much-despised leaf blowers from their current level of about 95 dB to 70 dB. With the new law, what is the ratio of the new allowed intensity to the previously allowed intensity?

Step-by-Step Solution:
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Solution 16E Initial sound intensity level = 95 dB 1 Final sound intensity level = 70 d2 We know that sound intensity level is given by = (10 dB)log I I 0 Therefore, 95 dB = (10 dB)log I1 …..(1) I0 Here, I is1the initial sound intensity. If I i2 the final sound intensity, I 2 70 dB = (10 dB)log I 0…..(2) Now,...

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Chapter 16, Problem 22E is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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Unless indicated otherwise, assume the speed of | Ch 16 - 22E

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