Question

please help me in this numerical. it is urgent ​

Answer 1

$\huge{\orange{\underline{\green{\mathscr{GIVEN:-}}}}}$

t1=1.5s

t2=2.5s

t3=4s

s=640m.

v=?

$\huge{\orange{\underline{\red{\mathbf{ANSWER:-}}}}}$

(t1-t2-t3)=5s.

s=v×t

v=640/5

v=128m/s

.'. velocity of sound 128m/s.

$\huge{\orange{\underline{\pink{\mathscr{THANKS.}}}}}$