A whistle at rest in still air produces a steady 620 Hz tone

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

A whistle at rest in still air produces a steady 620 Hz tone. A cyclist riding directly away from the whistle hears the tone at 600 Hz. Take the speed of sound in air to be 340 m/s. Calculate the cyclist’s speed with respect to the air.

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