Question

A man fire a gun towards a hill and hear its echo after 5 sec. Than he moves 340 m towards the hill and fires his gun again this time echo is hear after 3 sec .Calculate the speed of sound .

Answer 1

Sorry I forgot sorry sorry sorry sorry

Answer 2

speed is equal to distance into time

$speed = distance \times time$

1.

speed=340×5%2

=850 m%sec

2.

speed =340×3%2

=510 m%sec