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What approximate change in decibels

A construction explosion has an intensity I of 1.25 x 10–4 W/m2. Find the loudness of the sound in decibels ifDecibels Formula
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At what decibel level can a prolonged sound cause hearing damage?80 decibels 10 decibels 120 decibels 50 decibels
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When does sound become damaging to Human hearing?1 decibel 250 decibels 50 decibels 120 decibels
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company with loud machinery needs to cut its sound intensity to 44% of its original level.By how many decibels would the
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What approximate change in decibels does an observer experience form a sound source if the observer moves to a new location that
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2. asked by Jael
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user-generated content: report abuseWhat approximate change in decibels does an observer experience from a sound source if the
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2. asked by Michelle
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A company with loud machinery needs to cut its sound intensity to 44% of its original level. By how many decibels would the
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2. asked by Donald Craven
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Hearing levels or cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours.
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2. asked by la
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Find the number of decibels for the power of the sound. Round to nearest decibels.A rock concert, 5.21 x 10^-6watts/cm^2 D= dB
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2. asked by CLara
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1. What are the last two digits of 9^2013?2. Show that 5^t=2 + 3(5^t+1) - 40(5^t) is equal to zero. 3. Under certain conditions,
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2. asked by Brianne
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