contestada

a surface recieving sound is moved from it original position to a position three times farther away from the source of the sound. The intensity of the recieved sound thus becomes

Respuesta :

Sound intensity = 1/(r^2)

That is Sound intensity is indirectly proportional to  the distance. Therefore, sound becomes 9 times less intense.
jadepedraza16

Answer:

nine times lower

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