Question

an eco is returned in 3 seconds if the speed of sound is 342 M per second then the distance between the source of sound and the reflecting sound is

Answer 1

Speed=distance /time
340=distance /3
Distance =340×3
=1020 metres

So, the distance of the reflecting surface from the source is 1020/2=510 metres.

HOPE IT IS HELPFUL!!!

Answer 2

Answer:

510

Explanation:

wkt ;

v=2d/t

342=2×d/3

342=2d/3

2d=1026

d=1026/2=513

Hence

Answer is 513