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Two ends of a train moving with a consta...

Two ends of a train moving with a constant acceleration pass a certain point with velcities u and v. Show that the velocity with which the middle point of the train passes the same point is `sqrt(u"^(2) +v^(2)//2).`

A

14 kmph

B

5 kmph

C

`5sqrt2kmph`

D

10 kmph

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