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embersongracie
08.03.2020 •
Physics
The intensity of a certain siren is 0.060 W/m^2 from a distance of 25 meters. What is the intensity of this siren at a distance of 50 meters?
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Ответ:
Explanation:
The intensity of sound is inversely proportional to the square of distance between source and the observer .
Thus Intensity at a distance 25 m is I₁ ∝
I
Similarly the intensity at a distance 50 m is I₂ ∝
II
Dividing II by I , we have
Thus I₂ =
x 0.06 = 0.015 W m⁻²
Ответ:
wht are i supposed to be doing i am in 7 i am not learning this
Explanation: