A sound source vibrates at 200 Hz and is receding from a stationary observer at 18 m/s. If the speed of sound is 331 m/s then what frequency does the observer hear?
(‘Receding’ means moving away).
Solution
Given Frequency of the sound = f = 200 Hz
Speed of the sound = v = 331 m/s
Velocity of sound moving away with velocity = a = 18 m/s
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