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OpenStudy (tracyy):
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OpenStudy (tracyy):
"A rifle is fired in a valley with parallel vertical walls. The echo from ne wall is heard 2 s after the rifle was fired. The echo from the other wall is heard 2 s after the first echo. How wide is the valley?"
OpenStudy (tracyy):
The echo from one wall* sorry.
OpenStudy (anonymous):
Alright, this is generally an easy question. Let's assume the speed of sound in the valley is 343.2 m/s. To find the width of the valley: 2(343.2)=686.4 m.
OpenStudy (anonymous):
I think you could figure out the rest?
OpenStudy (tracyy):
Yes, I did that, but I wasn't exactly sure if it was really that easy...
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OpenStudy (anonymous):
Yeah, it's that easy lol. The total width would be 1372.8 m.
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