Question : While you are standing still on the sidewalk, an ambulance traveling at 30 m/s passes you. The ambulance’s siren produces a tone at a frequency of 802 Hz. Assume the speed of sound in air is 343 m/s. What frequency do you hear as the ambulance approaches you? What frequency do you hear as the ambulance moves away from you?

Heba Taleb

Updated a year ago

Lesson description