PHYSICS · Single correct · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics
Problem
A stationary loudspeaker emits a 600 Hz tone. A jogger runs directly away from the loudspeaker at 15 m/s. The speed of sound in air is 343 m/s. Which value is closest to the frequency the jogger hears?
(a) 585Hz
(b) 600Hz
(c) 574Hz
(d) 626Hz