Suppose that a public address system emits sound uniformly in all directions and that there are no

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Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 22 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 78 m away?

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Physics

ISBN: 978-1118486894

10th edition

Authors: David Young, Shane Stadler

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Question Posted: Feb 14, 2017 02:25 AM

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Suppose that a public address system emits sound uniformly in all directions and that there are no

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Since the sound is emitted uniformly in all directions the intensity I at a distance r from t...View the full answer

Physics

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