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Total Power output Sound!
All right, nevermind, problem resumed.
. A rock band has an average intensity level of 110 dB at a distance of 15 m from the speakers. Assuming the sound is radiated equally over a hemisphere in front of the band, what is the total power output?
Relevant Equations
Intensity=Power/area
A=4pir^2
Attempt at solution
A=4pi(15)^2
A=2827m^2
2827/2 (hemisphere)
110=p/1413
110x1413=
an answer that is not one of the multiple choice solutions...
All right, nevermind, problem resumed.
. A rock band has an average intensity level of 110 dB at a distance of 15 m from the speakers. Assuming the sound is radiated equally over a hemisphere in front of the band, what is the total power output?
Relevant Equations
Intensity=Power/area
A=4pir^2
Attempt at solution
A=4pi(15)^2
A=2827m^2
2827/2 (hemisphere)
110=p/1413
110x1413=
an answer that is not one of the multiple choice solutions...
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