A boy riding on his bike is going towards east at a speed of 
m/s. At a certain point he produces a sound pulse of frequency 1650 Hz that travels in air at a speed of 334 m/s. A second boy stands on the ground 45º south of east from him. Find the frequency of the pulse as received by the second boy.
Text Solution
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Given:
Frequency of pulse produced by the bike 
Velocity of bike 
Velocity of sound in air 
Frequency of pulse received by the second boy 
?
Velocity of an observer 
Velocity of source will be : 
Frequency of pulse received by the second boy is given by:
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