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 × 104 W/m². What is the intensity at a spot that is 79 m away? Number eTextbook and Media Save for Later Units B Attempts: 0 of 3 used Submit Answer C וום $ % & 2 3 4 5 6 7 α σ 外 B Apr 30

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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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 × 104 W/m². What is the intensity at a spot that is 79 m away?
Number
eTextbook and Media
Save for Later
Units
B
Attempts: 0 of 3 used
Submit Answer
C
וום
$
%
&
2
3
4
5
6
7
α
σ
外
B
Apr 30
Transcribed Image Text: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 × 104 W/m². What is the intensity at a spot that is 79 m away? Number eTextbook and Media Save for Later Units B Attempts: 0 of 3 used Submit Answer C וום $ % & 2 3 4 5 6 7 α σ 外 B Apr 30
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