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As you stand near a railroad track, a train passes by at a speed of 34.7 m/s while sounding its horn at a frequency of 215 Hz. What frequency do you hear as the train approaches you

Respuesta :

When the train is approaching then the frequency is 239.2 Hz.

What is the frequency?

This is the total number of times a periodic event happens within a given period of time. Wavelengths are used to measure periodic phenomena, which are frequently waves like sound waves. The frequency is the total number of wavelengths throughout time.

given,

speed of train = 34.5 m/s

Frequency of sound = 215 Hz

speed of sound = 341 m/s

when the train is approaching:

 [tex]f1 = f[/tex]ₓ [tex]\frac{V}{V-Vt}[/tex]

[tex]f1 = 215[/tex]ₓ [tex]\frac{341}{341 + 34.5}[/tex]

f₁ = 239.2 Hz                                

Hence, when the train is approaching then the frequency is 239.2 Hz.

To know more about frequency refer to:  https://brainly.com/question/254161

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