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A sound source emits sounds of frequency 215 Hz that travel through still air at 340 m/s. This sound source moves with a speed of 85 m/s relative to still air toward a stationary listener.
(a) Find the wavelength of the sound between the source and the listener.
m
(b) Find the frequency heard by the listener.
Hz
You are driving east on 8th Street (Tamiami Trail) at a speed of 30 mph. What is the frequency of the siren
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