Question

❤❤hey guys ❤❤
what is the minimum disance required for echo ?? why?

Answer 1

Hey mate here is your answer...❤❤
___________________________
♠Minimum distance required for an echo is
"17.2 m" ..
___________________________
Hope that it will help uh..✌✌

Answer 2

$\mathbb{\red{\huge{HEY\:MATE}}}$

$\boxed{HERE\:IS\:YOUR\:ANSWER}$

$\mathfrak{\green{ANSWER:}}$

$\huge{Exactly 17.2}$

by taking speed of sound and time as 0.1 s 
apply the formula 2d = vt 
u can calculate minimum distance.
i think speed of sound is 340 m/s 
so,
2d=340 x 1 /10 
d = 34/ 2 
d= 17 m

$<marquee>$❣❣HOPE IT HELPS U ❣❣

$<marquee>$❣❣PLEASE MARK MY ANSWER AS BRAINLILIST ❣❣

$<marquee>$❣❣THANKS ❣❣

☺☺☺

$\boxed{BE BRAINLY}$

➖◾◼⬛ ♠️ €Ʉ₮Ɇ $₮₳Ɍ ♥️ ⬛◼◾➖