Physics, 06.11.2020 07:10, piperswatson2403
if you shout into the grand canyon, your voice travels at the speed of sound (340m/s) to the bottom of the crayon 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 (340m/s) to the bottom...
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