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OpenStudy (anonymous):
A train crosses a pole in 15 seconds, and it crosses a 100 meters platform in 25 seconds, then what is the Length of the train.
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OpenStudy (anonymous):
The pole has no real dimension so v=(100-0)/(25-15) m/s=10 m/s x=v*15=150 meters Not sure on my initial assumption about the pole.
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