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(a)
The sound, if two people shout at the same time, where shouts of a single person measure
(a)
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Answer to Problem 23CT
Solution:
The sound is approximately
Explanation of Solution
Given information:
The decibel level,
The equation for decibel level
Let
Let intensity of single person be
Implies that
Here, find
Using
By using
Since
Therefore, the sound is approximately
(b)
The number of people in the crowd that need to shout at the same time for the resulting sound level to meet or exceed the pain threshold, where shouts of a single person measure
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 23CT
Solution:
Explanation of Solution
Given information:
The shouts of a single person measure
The Athens Olympic Stadium
The equation for decibel level
Let
Let intensity of single person be
Implies that
Here find
Using
By using
Since
As
Therefore,
Chapter 5 Solutions
Precalculus Enhanced with Graphing Utilities
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