answersLogoWhite

0

The observer at the crossing hears the lowest frequency of the train’s whistle when the train is moving away from them. This is due to the Doppler effect, where the pitch of the sound decreases as the source moves away from the observer.

User Avatar

AnswerBot

1y ago

What else can I help you with?

Related Questions

When does an observer at a railroad crossing hear the lowest frequency of a trains whistle?

An observer at a railroad crossing hears the lowest frequency of a train's whistle when the train is approaching. As the train moves towards the observer, the sound waves are compressed, resulting in a higher perceived frequency.


What is the lowest note on a tin whistle?

4Sharp


What animal has the lowest hearing frequency?

A Pigeon has the lowest hearing Frequency at .1 Hz.


The lowest natural frequency is called the overtone?

No, the lowest natural frequency is called the fundamental.


What animal hear the lowest frequency?

A Pigeon has the lowest hearing Frequency at .1 Hz.


What is the frequency of the lowest note on a piano?

The frequency of the lowest note on a piano is about 27.5 Hertz.


Photons with lowest energy have the?

-- longest wavelength -- lowest frequency


What em radiation has the lowest frequency?

Radio waves have the lowest frequency among electromagnetic radiations.


What is the definition of the term fundamental frequency?

The definition of fundamental frequency is the lowest frequency of a periodic waveform. Sometimes fundamental frequency is abbreviated by FF, containing the lowest frequency starting from 0.


What color of the rainbow has the lowest frequency?

Lowest frequency = longest wavelength.That's the last color your eyes can see at the 'red' end of the rainbow.


Is the trombone the instrument with the lowest frequency?

No, because a trombone is around the same frequency of a trumpet.The tuba is (out of my musical Knowledge) the instrument with the lowest frequency


Which string has the lowest frequency?

On the violin the G string, which is the G under middle C, has the lowest frequency (196Hz).