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## Homework Statement

- A Dragster at the starting line accelerates at 8 m/s^2 to the finish line. If it took 4.6 s, how long is the track?

- The Dragster deccelerated to a stop in 100m. How long did it take?

## Homework Equations

x = 0 + 1/2at^2

## The Attempt at a Solution

The first part of the questions I got x = 84.64m using the above equation.

For the life of me, I cannot figure out how to get anything viable for other formulas, when v or a is not specified for decceleration (read: Part 2).