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## Homework Statement

http://puu.sh/dzuq5/629a29dd48.png [Broken]

## Homework Equations

x = vo t + ½ a t2

2 a x= v2 - vo2[/B]

## The Attempt at a Solution

1/4 d = vo t + ½ a t2[/B]

**multiply equation by 4,**

d=4 ut

d=4 ut

**+ 2a t2**

so I am thinking answer is 4u, but it is 2u.so I am thinking answer is 4u, but it is 2u.

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