Physics

Physics, 30.08.2019 20:30, jennsou

If you were to yell at a canyon wall, you would hear yourself a short time later. this is because sound can be
a. reflected.
b. refracted.
c. diffracted.
d. polarized.

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Mathematics, 30.06.2019 04:41, camrynhelm7193

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Physics, 17.10.2019 00:10, haleydanielle8

Sound travels about 750 miles per hour. if you stand in a canyon and sound a horn, you will hear an echo.suppose it takes about 4 seconds to hear the echo. how far away is the canyon wall, in feet? (hint: the distance to the canyon wall is half the distance the sound travels)

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