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A motorcyclist rides at 17 m/s straight away from a… | StemPy Lab
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A motorcyclist rides at 17 m/s straight away from a fire station whose siren sounds at 820 Hz. What frequency does the motorcyclist hear?
Physics
Medium
High School (11–12)
Waves & Sound › Sound Waves and Hearing
Waves & Sound › Doppler Effect
NEET
Created by
StemPy Lab
A motorcyclist rides at
17
m/s
17\ \text{m/s}
17
m/s
straight away from a fire station whose siren sounds at
820
Hz
820\ \text{Hz}
820
Hz
. What frequency does the motorcyclist hear?
861
Hz
861\ \text{Hz}
861
Hz
820
Hz
820\ \text{Hz}
820
Hz
779
Hz
779\ \text{Hz}
779
Hz
742
Hz
742\ \text{Hz}
742
Hz
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← A train blows a whistle of 530 Hz as it moves straight away from a platform at 34 m/s. What frequency does a passenger standing on the platform hear?
Car A, sounding a horn of 410 Hz, chases car B along a straight road. A moves at 20 m/s and B at 10 m/s, both in the same direction. What does the driver of B hear? →
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Waves & Sound › Doppler Effect
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