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Question about sound...

by physicsdawg
Tags: sound
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physicsdawg
#1
Jul9-08, 02:50 AM
P: 25
1. The problem statement, all variables and given/known data

One microphone is located at the origin, and a second microphone is located on the +y axis. The microphones are separated by a distance of D=1.5 m. A source of sound is located on the +x axis, its distances from microphones 1 and 2 being L1 and L2, respectively. The speed of sound is 343 m/s. The sound reaches microphone 1 first, and then .00146 s later, microphone 2. Find the distances L1 and L2


2. Relevant equations



3. The attempt at a solution

L1= x
L2= x + (343 * .00146)

1.5^2 + X^2 = (x+ (343*.00146))^2
x= 1.996

L1=1.996
L2=2.4968
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CompuChip
#2
Jul9-08, 03:54 AM
Sci Advisor
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P: 4,300
The answer almost looks OK. You just forgot one thing...
vipulsilwal
#3
Jul9-08, 04:36 AM
P: 26
i feel its perfectly ok..
plz tell what he forgot

CompuChip
#4
Jul9-08, 07:07 AM
Sci Advisor
HW Helper
P: 4,300
Question about sound...

Units!

L1 = 1.996 lightyears? meters? yards? GeV-1?


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