1. The sound level of a dog's bark is 50 dB. The intensity of a rock concert...
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1. The sound level of a dog's bark is 50 dB. The intensity of a rock concert is 10,000 times that of the dog's bark. What is the sound level of the rock concert?
2. Show that if the intensity is doubled, the intensity level increases by 3.0 dB.
3. What fraction of the acoustic power of a noise would have to be eliminated to lower its sound intensity level from 90 to 70 dB?
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Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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