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## Homework Statement

I am doing some study for a short sci-fi story I'm writing. I'm trying to figure out how to determine the time that a craft has traveled if I know the constant acceleration and distance traveled.

eg. A ship accelerates constantly at 1g and travels 0.5 light years. How long did this the ship take to travel that distance?

## Homework Equations

I have found the following equation which finds distance traveled based on constant acceleration and time, but I am having trouble making t the subject.

s=v0t+at^2/2

## The Attempt at a Solution

As mentioned above I have tried to change the subject of the formula, but to no avail.