You Are Driving Along a Highway at 35

question 62

Multiple Choice

You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1370 Hz. You are relieved that he is in pursuit of a different speeder when he continues past you, but now you perceive the frequency as 1330 Hz. What is the speed of the police car? The speed of sound in air is 343 m/s.

• A) 38.4 m/s
• B) 30.0 m/s
• C) 39.2 m/s
• D) 40.0 m/s
• E) 41.7 m/s

---

Definitions:

Biological Psychologist

A scientist who studies the physiological bases of behavior in animals and humans, often focusing on the brain's role in behavior.

Learning Theorist

A scholar who studies and develops theories about how people learn and acquire knowledge.

Cognitive Researcher

A scientist who studies the mental processes involved in perception, memory, thought, and problem solving.

Cultural Psychologist

A psychologist who studies how cultural practices influence cognitive processes and human behavior.