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https://texercises.com/exercise/ear-protectors/
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Exercise:
Ear protectors of a certain type reduce the ensity level at fO by attO. What fraction of the sound ensity can pass them?

Solution:
The attenuation and the ratio of the sound ensities are related as follows: Deltabeta logfracI'I Solving for the ratio of sound ensities leads to fracI'I ratioF ^dbe/ ratio approx resultratioP approx resultfracfractionP
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Exercise:
Ear protectors of a certain type reduce the ensity level at fO by attO. What fraction of the sound ensity can pass them?

Solution:
The attenuation and the ratio of the sound ensities are related as follows: Deltabeta logfracI'I Solving for the ratio of sound ensities leads to fracI'I ratioF ^dbe/ ratio approx resultratioP approx resultfracfractionP
Contained in these collections:
  1. 15 | 16
  2. 5 | 7
  3. 17 | 19

Attributes & Decorations
Tags
attenuation, loudness, sound, sound intensity, sound intensity level
Content image
Difficulty
(2, default)
Points
0 (default)
Language
ENG (English)
Type
Calculative / Quantity
Creator by
Decoration
File
Link