a train 100m long is moving with the velocity of 72 km/hour .find the time it takes to cross the bridge which is 2km long?
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Answered by
131
=>total distance=100+2000=2100m
=>velocity=72 km/h=(72 x 1000)/3600=20 m/s
=> speed=distance/time
=>•°• time=2100/20= 105 sec
regarding ([email protected])
=>velocity=72 km/h=(72 x 1000)/3600=20 m/s
=> speed=distance/time
=>•°• time=2100/20= 105 sec
regarding ([email protected])
Answered by
53
Answer:
the time taken by the train is...
Explanation:
speed if train = 72000/60×60 = 720/36= 20 m/s
time taken = 2000+100/20 = 105 seconds
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