Question

How long will a train, 120 m long, take to clear a platform, 130 m long, if its
speed is 50 km/hr?​

Answer 1

Answer:

Speed of the train is 50 km/hr or 125/9 m/s

Total distance the train will cover is Length of platform as well as its own length....

Thus the time taken = Distance / Speed...

= (120 + 130)/ ( 125/9)

= (250 ×9) / 125

= 18 seconds....

Hence the time taken is 18 seconds.....

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Answer 2

Answer:

Total distance = 120m+130m=250m=0.25km

speed of train = distance/speed

so time = 0.25/50hours=1/200hours

Now 1 hour = 3600 seconds

Therefore,1/200hours = 3600/200=18 seconds

Thus,thus train will take 18 seconds to cross the platform.

Step-by-step explanation:

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