A loudspeaker at a rock concert generates 102 W/m2 at 20 m at a frequency of 1

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A loudspeaker at a rock concert generates 102 W/m2 at 20 m at a frequency of 1 kHz. Assume that the speaker spreads its energy uniformly in all directions.

(a) What is the intensity level at 20 m?

(b) What is the total acoustic power output of the speaker?

(d) What is the intensity level at 30 m?

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

1st Edition

Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Jul 13, 2011 05:20 PM

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A loudspeaker at a rock concert generates 102 W/m2 at 20 m at a frequency of 1

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Fundamentals of Ethics for Scientists and Engineers

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