Sound moves through air at a speed of 340 m/s. How long

Last updated: 7/10/2022

Sound moves through air at a speed of 340 m/s. How long would it take to hear your echo in a canyon which is 50 meters away? Show all of your work with an explanation of your answer. (You can work this out on paper, take a picture, and upload the picture by clicking on the picture icon)