posted by Adam .
A person shouts in a canyon. 3 s later they hear the echo. How far away is the canyon wall from which the sound wave was reflected?
how do i do this problem?
solve for canyon widthhttp://www.ausetute.com.au/calcelemf.html
2cw=340*3/2=510m but the answer given is 514.5m?
Sound waves move through air at sea level at a velocity of 343 m/s at 20ºC.