A 500-Hz Whistle Is Moved Toward a Listener at a Speed

question 47

Multiple Choice

A 500-Hz whistle is moved toward a listener at a speed of 10.0 m/s.At the same time,the listener moves at a speed of 20.0 m/s in a direction away from the whistle.What is the apparent frequency heard by the listener? (The speed of sound is 340 m/s. )

• A)473 Hz
• B)485 Hz
• C)533 Hz
• D)547 Hz

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Definitions:

Habituate

The process of becoming accustomed to a stimulus or environment, typically resulting in a decrease in response.

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The act of selecting or making a decision when faced with two or more possibilities.

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An inherent or immutable enduring emotional, romantic, or sexual attraction to other people.

Attracted

To feel drawn towards a person, object, or activity due to its appealing qualities or characteristics.