Decibels Sound levels in decibels (dB) can be calculated by D (r) = 10 log (10®x), where x is the intensity of the sound in watts per square meter. The human ear begins to hurt when the intensity reaches x = 10-4. Find how many decibels this represents.
Decibels Sound levels in decibels (dB) can be calculated by D (r) = 10 log (10®x), where x is the intensity of the sound in watts per square meter. The human ear begins to hurt when the intensity reaches x = 10-4. Find how many decibels this represents.
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.3: Properties Of Logarithms
Problem 81E: In Exercises 79-82, use the following information. The relationship between the number of decibels ...
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Transcribed Image Text:131. Decibels Sound levels in decibels (dB) can be calculated by
D (x) = 10 log (10®x),
where x is the intensity of the sound in watts per square meter.
The human ear begins to hurt when the intensity reaches x = 10-4.
Find how many decibels this represents.
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