You live on a busy street, but as a music lover, you want to reduce the traffic
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You live on a busy street, but as a music lover, you want to reduce the traffic noise.
(a) If you install special sound-reflecting windows that reduce the sound intensity level (in dB) by 30 dB, by what fraction have you lowered the sound intensity (in W/m2)?
(b) If, instead, you reduce the intensity by half, what change (in dB) do you make in the sound intensity level?
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Related Book For
University Physics with Modern Physics
ISBN: 978-0321696861
13th edition
Authors: Hugh D. Young, Roger A. Freedman, A. Lewis Ford
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