Two cars A & B are driving away from each other and sounding their horns. You are the driver of car B which is travelling at a speed of 23.6m/s and you measured the horn of the other car to be sounded at 885HZ, which is travelling at a speed of 27.9m/s. Speed of sound is 340m/s. Calculate the following:

Physics for Scientists and Engineers: Foundations and Connections
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Chapter39: Relativity
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Two cars A & B are driving away from each other and sounding their horns. You are the driver
of car B which is travelling at a speed of 23.6m/s and you measured the horn of the other car
to be sounded at 885HZ, which is travelling at a speed of 27.9m/s. Speed of sound is 340m/s.
Calculate the following:
a) Speed of the observer in m/s
%3D
(0.5 mark)
b) Speed of the source in m/s
%3D
(0.5 mark)
c) frequency of the source (original) in hertz
(1.5 mark)
d) How much does the frequency of the source decreased (A) in hertz =
Transcribed Image Text:Two cars A & B are driving away from each other and sounding their horns. You are the driver of car B which is travelling at a speed of 23.6m/s and you measured the horn of the other car to be sounded at 885HZ, which is travelling at a speed of 27.9m/s. Speed of sound is 340m/s. Calculate the following: a) Speed of the observer in m/s %3D (0.5 mark) b) Speed of the source in m/s %3D (0.5 mark) c) frequency of the source (original) in hertz (1.5 mark) d) How much does the frequency of the source decreased (A) in hertz =
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