flash animation

Graph: Siren Frequency

The student is shown an observer watching a car-chase, a police car with sirens blaring chasing after another car, and is asked to choose the graph that best represents the frequency change as the cars go by from the observer's point of view and from that of the car being chased.

keywords: frequency, car, police, chase, siren

swf file: ca_light_sirenplot.swf