Question

 gun was fired 4km away from an observer. The time taken for the sound to reach the observer was 8seconds Find the speed of sound. ​

Answer 1

Explanation:

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$distance \: travelled \: by \: gun \:(d) = 4km = 4000m$

$s = \frac{4000}{8} = 500m {s}^{ - 1}$

$speed \: of \: sound \: (s) = \frac{distance(d)}{time(t)}$

$time \: taken \: (t) = 8sec$