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the threshold of hearing is defined as the minimum discernible intensity of the sound. it is approximately 10−12w/m2 . find the distance d from the car at which the sound from the stereo can still be discerned. assume that the windows are rolled down and that each speaker actually produces 0.06 w of sound, as suggested in the last follow-up comment.



Answer :

Distance d from the car at which the sound from the stereo can still be discerned are= 97720.5 m

Briefly:-

The link between sound intensity at a distance and distance is (power of sound at source)/ (surface area of the wall of an imaginary sphere at the distance in question)

I = P/4πd²

Assuming the car has 2 speakers,

P = 0.06 W × 2 = 0.12 W

d = ?

the intensity of the least discernible sound is

I = 10⁻¹² W/m²

10⁻¹² = 0.12/4πd²

d = 97720.5 m

What is the volume of the sound?

Sound intensity level is a unitless quantity that indicates how loud a sound is in comparison to a predetermined benchmark. The ratio of the pressure amplitude to a reference pressure is known as the sound pressure level.

To know more about sound intensity visit:-  

https://brainly.com/question/15089336

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