Concept explainers
a.
the number of decibels of a sound with an intensity of 1 watt per square meter.
a.
Answer to Problem 83E
The number of decibels of a sound with an intensity of 1 watt per square meter is 120.
Explanation of Solution
Given:
The relationship between the number of decibels
Calculation:
Put
b.
The number of decibels of a sound with an intensity of
b.
Answer to Problem 83E
The number of decibels of a sound with an intensity of
Explanation of Solution
Given:
The relationship between the number of decibels
Calculation:
Put
c.
To Find: the intensity of the sound in part (a) is 100 times as great as that in part (b). Is the number of decibels 100 times as great? Explain.
c.
Answer to Problem 83E
The number of decibels part (a) is not 100 times as great as that in part (b).
Explanation of Solution
Given:
The number of decibels of a sound with an intensity of 1 watt per square meter is 120 and the number of decibels of a sound with an intensity of
Calculation:
Since the number of decibels of a sound with an intensity of 1 watt per square meter is 120 and the number of decibels of a sound with an intensity of
The number of decibels part (a) is not 100 times as great as that in part (b).
Chapter 3 Solutions
EBK PRECALCULUS W/LIMITS
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- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning