At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-seventh the car's speed hears a frequency of 420 Hz.
(a) Is the cyclist ahead of or behind the car?
ahead of the car
behind the car
(b) What is the speed of the car? (Assume the speed of sound in air is 343 m/s.)
m/s
Answers: 2
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Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?
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At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down t...
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