4. INTENSITY AND SOUND Use the following information for determining sound intensity. The number of decibels ß of a sound with an intensity of I watts per square meter is given by ß = 10 log (I/Io), where Io is an intensity of 10-12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. Find the number of decibels ß of the sound. a) 1= 10° watt per m² (threshold of pain) b) I= 10² watt per m² (jet at 30 meters) c) I= 10¯8 watt per m² (quiet radio) d) 1= 10³ watt per m² (busy street corner)
4. INTENSITY AND SOUND Use the following information for determining sound intensity. The number of decibels ß of a sound with an intensity of I watts per square meter is given by ß = 10 log (I/Io), where Io is an intensity of 10-12 watt per square meter, corresponding roughly to the faintest sound that can be heard by the human ear. Find the number of decibels ß of the sound. a) 1= 10° watt per m² (threshold of pain) b) I= 10² watt per m² (jet at 30 meters) c) I= 10¯8 watt per m² (quiet radio) d) 1= 10³ watt per m² (busy street corner)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Determine the sound density and complete a,b,c,d. Show all work (Precalculus 1)
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