Question

You are walking through the woods and cone acroos an old well thats 15 meters deep if the speed of sound and air is 340 m/s then how long would it take to hear echo

Answer 1

.0882 s

Step-by-step explanation:

Sound has to travel to the bottom (15 m) then back up (15m ) to hear the echo

(15 + 15 m) / 340 m/s = .0882 s