An Ambulance Is Generating a Siren Sound at a Frequency

question 4

Multiple Choice

An ambulance is generating a siren sound at a frequency of 2,400 Hz. The speed of sound is 345.0 m/s. If the observer is traveling at a velocity of 24.00 m/s toward the stationary ambulance, then what is the frequency of the siren perceived by the observer?

• A) 2,640 Hz
• B) 2,567 Hz
• C) 2,520 Hz
• D) 2,508 Hz
• E) 2,475 Hz

---

Definitions:

Executable Program

A file containing code that a computer's operating system can directly execute.

Machine Language

The lowest-level programming language, consisting of binary or hexadecimal codes that a computer's processor directly executes.

Procedural Language

A type of programming language designed to execute sequences of statements or instructions using a procedural approach.