You are lost in a canyon and yell for help Four seconds late

You are lost in a canyon and yell for help. Four seconds later you hear your echo. How far away is the nearest \'wall\'? Show your work. distance =

Solution

Here ,

speeed of sound , v = 343 m/s

time taken = 4 s

distance of nearest wall = speed of sound * time/2

distance of nearest wall = 343 * 4/2

distance of nearest wall = 686 m

the distance of nearest wall is 686 m