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The change in pitch of a train's horn as it passes while you are standing still can be explained by a. sympathetic vibration. b. ultrasonic vibrations. c. resonance. d. the Doppler effect.
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The change in pitch of a train's horn as it passes while you are standing still can be explained by

a. sympathetic vibration.
b. ultrasonic vibrations.
c. resonance.
d. the Doppler effect.

User Abbas Kararawala
by
7.5k points

1 Answer

2 votes

The change in pitch of a train's horn as it passes while you are
standing still can be described by the Doppler effect, but that
doesn't explain it.

User Ali Mezgani
by
8.7k points
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