Question

A man standing between two walls fires a gun and hears two echo. if he stands 200m closer to one of the wallsand the time differenve between the two echos is 0.176seconds,detrmine the distance between the walls(sped of sound in air is 340m/s)​

Answer 1

850m

Step-by-step explanation:

The answer should be 850m

I apologize if it is incorrect-

Have a great day!

Anygays-