Help with the following question The second photo is only equations Useful informationIntensity of a spherical waveSound intensity levelIB = (10 dB) log10-P4πr²10-12 W/m²Doppler effect: source approaching observerf+=fo1- Usource/UsoundDoppler effect: source receding from observerf_=fo1+ Usource/UsoundDoppler effect: observer approaching sourcef+= fo (1 + Vobserver/Usound)Doppler effect: observer receding from sourcef = fo (1-Vobserver/Usound) 1.the sound be a more tolerable 802.3. Knight P16.41 An opera singer in a convertiblesings a note at 600 Hz while cruising down ahighway at 90 km/h. What is the frequency heardbyAnswers(a) a person standing beside the road in front ofthe car,(b) a person on the ground behind the car?You can assume a sound speed of 343 m/s.40.0 cm50.0 m

Doppler effect in physics is defined as the increase (or decrease) in the frequency of sound, light,…

Answered: Sound intensity level B = (10 dB) log10…

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

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter17: Physics Of Hearing

Section: Chapter Questions

Problem 48PE: (a) Find the length of an organ pipe closed at one end that produces a fundamental frequency of 256...

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Concept explainers

Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.

Question

Help with the following question The second photo is only equations

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

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