Solved: A loudspeaker has a circular opening with a radius
Chapter 16, Problem 16.110(choose chapter or problem)
A loudspeaker has a circular opening with a radius of 0.0950 m. The electrical power needed to operate the speaker is 25.0 W. The average sound intensity at the opening is 17.5 W/m2 . What percentage of the electrical power is converted by the speaker into sound power?
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