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 and echo.How deep is the canyon at a spot where you can hear your echo 5.2 seconds after you shout.

Answer 1

if depth is d, signal goes 2 d (down and up)
2 d = 340 t = 340 * 5.2
d = 170 * 5.2 meters

Answer 2

thank you!!

Answer 3

You are welcome.

Answer 4

Does really work