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Physics, 15.11.2019 06:31 zanaplen27
If you shout into the grand canyon, your voice travels at the speed of sound (340 m/) to the bottom of the canyon and back, and you hear an echo. how deep is the grand canyon at a spot where you can hear your echo 5.2 seconds after you shout?
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If you shout into the grand canyon, your voice travels at the speed of sound (340 m/) to the bottom...
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