SOLUTION: Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.15 10-6 watts/cm2 D= db

Question 629307: Find the number of decibels for the power of the sound. Round to the nearest decibel.
A rock concert, 5.15 10-6 watts/cm2
D= db
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the number of decibels for the power of the sound. Round to the nearest decibel.
A rock concert, 5.15 10-6 watts/cm2
D= db
-----
db = 10log(I/Io)
Io = 10^-12
---
db = 10log[(5.15x10^-6)/(10^-12)]
db = 10log[5.15x10^6]
db = 10[log(5.15 + log(10^6]
db = 10[6+0.712]
db = 67.12
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Cheers,
Stan H.
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