Question

how long will attain 120 m long take to clead a platform 130 m long if it's speed is 50 km / hr​

Answer 1

Answer:

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Answer 2

$\large { \underline{ \bf \red{Question:- }}}$

how long will attain 120 m long take to clead a platform 130 m long if it's speed is 50 km / hr

$\large { \underline{ \bf \purple{Solution:- }}}$

According to the question, the 120m long train is covering a railway platform, measuring 130m.

So, the train has to cover its own distance + Length of the Platform.

Therefore, total distance =

$120+130 \\ =250m \\ = 0.25km.$

Speed of the train = 50 km/h.

Time = Distance / Speed.

So, time = 0.25 /50 hours = 1/200 hours.

Now, 1 hour = 3600 seconds.

Therefore, 1/200 hr = 3600/200 = 18 sec. \\ [/tex]

$\large { \underline{ \bf \pink{Therefore:- }}}$

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