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Mathematics, 09.07.2019 05:00 yaniravivas79
If you shout into the grand canyon, your voice travels at the speed of sound (340 m/s) to the bottom of the canyon and back, and you hear the echo. how deep is the grand canyon in a spot where you can hear your echo 6.4 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/s) to the bottom...
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