Echo — task. Science TNSB Mentoring, Class 9.

A man fires a gun and hears its echo after $5$ $s$. The man then moves $310$ $m$ towards the hill and fires his gun again. If he hears the echo after $3$ $s$, calculate the speed of sound

The formula to find distance is

$Distance = Velocity \times time$
$Distance = Area \times time$

By applying the values,

The velocity of the sound is $m/s$

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5. Echo

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