Question

a source emits a sound and is represented by the red dot in this map. four people are located around the source, and the circles represent the sound wave. as the source moves west, which person hears the highest pitch? person a person b person c person d

Explanation:

Step1: Understand the Doppler Effect

The Doppler Effect states that when a source of sound moves towards an observer, the frequency (pitch) of the sound heard by the observer increases. When the source moves away, the frequency decreases.

Step2: Analyze the positions

As the source moves west, person A is in the direction towards which the source is moving. Person B is to the north - east, person C is to the south - east, and person D is to the east. According to the Doppler Effect, the person towards whom the source is moving (person A) will experience the highest frequency (pitch) of the sound wave.

Answer:

person A