Mathematics, 23.03.2021 01:00 KayBJ2005

sound travels about 750 miles per hour. If you stand in a canyon and sound a horn, you will hear and echo. Suppose it takes about 3 seconds to hear the echo. How far away is the canyon wall, in feet?

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sound travels about 750 miles per hour. If you stand in a canyon and sound a horn, you will hear and...

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