jemseidle8889
jemseidle8889
11.12.2021 • 
Mathematics

By which factor is the sound intensity decreased at 3 meters? StartFraction 1 over 9 EndFraction.
StartFraction 1 over 3 EndFraction.
StartFraction 1 over 2 EndFraction.
StartFraction 1 over 4 EndFraction.

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