Question

a train is 100m long is moving with the velocity of 72kmph find the time it takes to cross the bridge which is 2km long ​

Answer 1

Answer:

a train is 100m long is moving with the velocity of 72kmph find the time it takes to cross the bridge which is 2km long

Explanation:

AND UA ANSWER IS

=>total distance=100+1000=1100m

=>velocity=72 km/h=(72 x 1000)/3600=20 m/s

=> speed=distance/time

=>•°• time=1100/20= 55 sec

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