Question

Ali dropped a metal vase and heard the echo 10 seconds later. He was 50 meters away from a wall. This means that the sound travelled meters in 10 seconds or 50 meters in 5 seconds.
What would the speed in this case

Answer 1

T=10 sec
Dist=50 meters
V=2d/t
2x50/10
=10 m/s

Therefore the sound travelled 10ms in 50s