Concept explainers
(a)
To calculate: The frequency that can be detected for the given values.
(a)
Answer to Problem 50P
Explanation of Solution
Given:
Fire engine’s siren frequency,
Fire engine moves with a speed
Formula used:
Write the expression of apparent frequency.
Where,
Calculation:
The actual frequency of a siren
Consider negative x- direction, the actual fire engine siren’s speed is
The source frequency
Apparent frequency,
Conclusion:
The frequency that can be detected is
(b)
To calculate: The frequency that can be detected for the given value.
(b)
Answer to Problem 50P
Explanation of Solution
Given:
Fire engine’s siren frequency
A wave moves with a speed
Formula used:
Calculation:
Consider negative x -direction, the actual fire engine siren’s speed is
The source frequency
The source frequency ( vs ) = 0
Apparent frequency,
Conclusion:
The frequency that can be detected is
Chapter 12 Solutions
Physics: Principles with Applications
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