An Ambulance Is Generating a Siren Sound at a Frequency

question 38

Multiple Choice

An ambulance is generating a siren sound at a frequency of 2,000 Hz.The velocity of sound is 345.0 m/s.The observer and the ambulance are traveling toward each other at a velocity of 24.00 m/s.If the observer is stationary,what is the frequency of the siren perceived by the observer?

• A) 2,032 Hz
• B) 2,150 Hz
• C) 2,220 Hz
• D) 2,575 Hz
• E) 2,750 Hz

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Definitions:

Increased Demand

A situation where consumers are willing and able to purchase more of a good or service at each price level, leading to a shift rightward of the demand curve.

U.S. Buyers

Individuals or entities within the United States that purchase goods or services, either domestically or from international markets.

Demand for British Pounds

The desire or need by individuals, businesses, or countries to purchase or hold British currency for the purpose of investment or transactions.

Currency Market

A global market where currencies are traded against each other, determining their exchange rates.