A Sound Source of Frequency 1,090 Hz Moves at 40

question 69

Multiple Choice

A sound source of frequency 1,090 Hz moves at 40 m/s toward a listener who is at rest.What is the apparent frequency heard by the listener? (speed of sound = 340 m/s)

• A) 1,218 Hz
• B) 962 Hz
• C) 980 Hz
• D) 1,240 Hz
• E) ​861 Hz

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Definitions:

Impulsively Acting-out

Engaging in spontaneous behaviors without considering the consequences, often indicative of emotional distress or psychiatric disorders.

Herbal Preparations

Products made from plants that are used to treat or prevent diseases, or for other health benefits.

Impulsive Anger

A sudden and intense emotional response characterized by an uncontrollable urge to react angrily without forethought.

Restrained Patient

A patient who has been physically or chemically restrained to prevent harm to themselves or others, often used in medical or psychiatric settings.