SOLUTION: The decibel level of sound is given by D=10 log{I/10^-12}, where I is the sound intensity measuered in watts per square meter. Find the decibel level of a whisper at an intensity

Algebra ->  Rational-functions -> SOLUTION: The decibel level of sound is given by D=10 log{I/10^-12}, where I is the sound intensity measuered in watts per square meter. Find the decibel level of a whisper at an intensity       Log On


   

Question 82639This question is from textbook
: The decibel level of sound is given by D=10 log{I/10^-12}, where I is the sound intensity measuered in watts per square meter. Find the decibel level of a whisper at an intensity of 5.4x10^-10 watts per square meter. This question is from textbook

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
D+=+10%2Alog%28I+%2F+10%5E-12%29
I+=+5.4%2A10%5E%28-10%29
D+=+10%2Alog%285.4%2A10%5E%28-10%29+%2F+10%5E%28-12%29%29
D+=+10%2Alog%285.4%2A10%5E2%29
D+=+10%2A%28log%285.4%29+%2B+2%29
Note that log%2810%5E2%29+=+2
D+=+10%2A%28.732+%2B+2%29
D+=+27.32 answer