# A person standing near a railway line hears two distinct sounds of a train between time interval 2s.how much is the distance of the train?Velocity of steel=16 times velocity of air{340 m/s}

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by mimansh

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by mimansh

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If the person standing near a railway line hears two distinct sounds of a train, then the sounds are - one travelling through steel and the another travelling through air.

Let the distance of train be d from the person.

speed of sound in air = 340 m/s

speed of sound in steel = 340 × 16 = 5440 m/s

time taken by sound travelling through steel to reach the person =

time taken by sound travelling through air to reach the person =

given that

Distance of train is**725.33 m.**

Let the distance of train be d from the person.

speed of sound in air = 340 m/s

speed of sound in steel = 340 × 16 = 5440 m/s

time taken by sound travelling through steel to reach the person =

time taken by sound travelling through air to reach the person =

given that

Distance of train is