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A question from Kinematics : 100m long a train passing a 40m long bridge in 20.Find out the velocity of the train?

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Mitu asked – “100m long a train passing a 40m long bridge in 20.Find out the velocity of the train?”

Ans: The total distance to be traveled by the train to completely traverse the bridge is 100 + 40 = 140 m

Time = 20 s

From the relation, $speed = \frac{distance}{time}$

$speed = \frac{140}{20}=7m/s$

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