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Sound intensity level B = (10 dB) log10 (1 /m²) I 10-12 W/m² Doppler effect: source approaching observer f+ = fo 1- Usource/Usound

Sound intensity level B = (10 dB) log10 (1 /m²) I 10-12 W/m² Doppler effect: source approaching observer f+ = fo 1- Usource/Usound

College Physics
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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Useful information Intensity of a spherical wave Sound intensity level I B = (10 dB) log10 - P 4πr² 10-12 W/m² Doppler effect: source approaching observer f+= fo 1- Usource/Usound Doppler effect: source receding from observer f_= fo 1+ Usource/Usound Doppler effect: observer approaching source f+= fo (1 + Vobserver/Usound) Doppler effect: observer receding from source f = fo (1-Vobserver/Usound)
Transcribed Image Text:Useful information Intensity of a spherical wave Sound intensity level I B = (10 dB) log10 - P 4πr² 10-12 W/m² Doppler effect: source approaching observer f+= fo 1- Usource/Usound Doppler effect: source receding from observer f_= fo 1+ Usource/Usound Doppler effect: observer approaching source f+= fo (1 + Vobserver/Usound) Doppler effect: observer receding from source f = fo (1-Vobserver/Usound)
1. the sound be a more tolerable 80 2. 3. Knight P16.41 An opera singer in a convertible sings a note at 600 Hz while cruising down a highway at 90 km/h. What is the frequency heard by Answers (a) a person standing beside the road in front of the car, (b) a person on the ground behind the car? You can assume a sound speed of 343 m/s. 40.0 cm 50.0 m
Transcribed Image Text:1. the sound be a more tolerable 80 2. 3. Knight P16.41 An opera singer in a convertible sings a note at 600 Hz while cruising down a highway at 90 km/h. What is the frequency heard by Answers (a) a person standing beside the road in front of the car, (b) a person on the ground behind the car? You can assume a sound speed of 343 m/s. 40.0 cm 50.0 m
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