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December 20, 2014

December 20, 2014

Posted by **Tim** on Wednesday, March 28, 2012 at 4:23am.

- Maths -
**Reiny**, Wednesday, March 28, 2012 at 8:08amin 9 seconds

1st train went 52000(9/3600) or 130 m

2nd train went 68000(9/3600) or 170 m

they were in the act of passing 40 m, the length of the train.

or

the second train is gaining at 68-52 or 16 km/h

distance covered at that speed = 16000(9/3600) = 0 m

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