Calculating Distance for a Shunted Rail Carriage

[access]

Homework Statement

a rail carraige has a mass of 1200kg. the train engine shunts it along the track giving it an average acceleration of 0.6ms-2. determine the distance traveled by the carraige in 60 seconds if started from rest.

Homework Equations

i think its something like V*T + 1/2A*Tsquared

The Attempt at a Solution

0*60 + .5*.6 * 60 squared

this number seems to big what am i doing wrong?

 

[access]

the answer i am getting is 1080m

 

[kraigandrews]

thats right