a boy and girl stand 200m apart beside a long metal fence on a still day . the girl places her ear a

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Blazing goIITian

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Velocity of sound in air is 340m/s

It has travelled 200 m so it takes time of .588 second..

We know that speed of sound in metal is more than that of air

so the time taken by sound to travel in metal shud be .088 second..

so that gives us a velocity of 2272 m/s ..

correct me if i am wrong..

Mechanical Engineering BITS Pilani , Pilani campus

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