A man fires a gun towards a hill and hears its echo after `5 s`. He then moves `340 m`
Channel: Doubtnut
Date: 2020-08-02

A man fires a gun towards a hill and hears its echo after `5 s`. He then moves `340 m` towards the hill and fires his gun again. This time he hears the echo after `3 s`. Calculate the speed of sound.