Question

a person observe the smoke from a gun 1.4sec before he hears the bang. if the gun is 476m away from the person, find the speed of sound

Answer 1

time =1.4sec
distance =476M
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we know that
speed=distance
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time
=476÷1.4
=340m/s

Answer 2

Speed = $\frac{distance }{time}$

Distance = 476 m

Time = 1.4 s

Speed = $\frac{476}{1.4}$

Speed = 340 m/s