Use the following information for determining sound intensity. The number of decibels β of a sound with an intensity of I watts per square meter is given by β = 10 log(I/I0), where I0 is an intensity of 10−12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. Find the number of decibels β of the sound. I = 10−11 watt per m2 (rustle of leaves)=? I = 10−5 watt per m2 (busy street corner)=? I = 102 watt per m2 (jet at 30 meters)=? I = 10−2 watt per m2 (siren at 30 meters)=?
Use the following information for determining sound intensity. The number of decibels β of a sound with an intensity of I watts per square meter is given by β = 10 log(I/I0), where I0 is an intensity of 10−12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. Find the number of decibels β of the sound. I = 10−11 watt per m2 (rustle of leaves)=? I = 10−5 watt per m2 (busy street corner)=? I = 102 watt per m2 (jet at 30 meters)=? I = 10−2 watt per m2 (siren at 30 meters)=?
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 50RE: The formula for measuring sound intensity indecibels D is defined by the equation D=10log (II0),...
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Use the following information for determining sound intensity. The number of decibels β of a sound with an intensity of I watts per square meter is given by
β = 10 log(I/I0),
where
I0
is an intensity of
10−12 watt
per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. Find the number of decibels β of the sound.
- I = 10−11 watt per m2 (rustle of leaves)=?
- I = 10−5 watt per m2 (busy street corner)=?
- I = 102 watt per m2 (jet at 30 meters)=?
-
I = 10−2 watt per m2 (siren at 30 meters)=?
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