A Car Approaches a Stationary Police Car at 36 M/s

question 59

Multiple Choice

A car approaches a stationary police car at 36 m/s. The frequency of the siren (relative to the police car) is 500 Hz. What is the frequency (in Hz) heard by an observer in the moving car as he approaches the police car? (Assume the velocity of sound in air is 343 m/s.)

• A) 220
• B) 448
• C) 526
• D) 552
• E) 383

---

Definitions:

Standard Error

A statistical measure that describes the distribution of sampling means around the population mean, indicating the precision of the sample mean estimate.

Sample Size

The number of observations or data points collected in a statistical study.

Defective Items

Products that fail to meet quality standards.

Own a Car

Refers to the possession or ownership of an automobile by individuals or households.