Concept explainers
(a)
To Calculate: The power output of the sound.
(a)
Answer to Problem 13P
The power output of the sound from speaking a person in normal conversation is
Explanation of Solution
Given:
The intensity in normal conversation is,
Formula used:
The intensity is expressed as,
Here,
Calculation:
By using the above formula, the power is,
Substitute the given values in this formula,
Conclusion:
The power output is
(b)
To Calculate: The number of persons.
(b)
Answer to Problem 13P
Explanation of Solution
Given:
Total sound power output,
Calculation:
As per the part A,
Conclusion:
The number of peoples is
Chapter 12 Solutions
Physics: Principles with Applications
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