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December 21, 2014

Homework Help: physics

Posted by PLZ HELP ME NOW... on Wednesday, May 30, 2012 at 6:03am.

a train starts from rest and accelerates uniformly at 100m/min^2 for 10 min.then it maintains a constant velocity for remaining 20 min.brakes are applied and train uniformly retards and comes to rest in next 5 min.
a)the maximum velocity reached
b)the retardation in last 5 min
c)total distance traveled
d)the average velocity of the train.

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