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January 29, 2015

January 29, 2015

Posted by **Anonymous** on Friday, December 28, 2012 at 11:48am.

- maths -
**Henry**, Friday, December 28, 2012 at 3:52pmVn = Vt-Vb = 46-10 = 36km/h.

Vn = 36km/h = 36000m/3600s. = 10 m/s =

Net velocity of train.

d = V*T = 10m/s * 22s = 220 m. = Length

of train.

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