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## Homework Statement

Accelerating uniformly at a rate of 0.20m/s^2 from initial velocity of 3.0m/s, how long will it take to travel a distance of 12m

## Homework Equations

## The Attempt at a Solution

Answer is 3.5 seconds

But I don't know how you get that

Also another question

Chris accelerrates his massive SUV from rest at a rate of 4.0m/s^2 for 10s. he then travels at a constant velocity for 12s and finally comes to rest over a displacement of 100m. Determine his total displacement and average velocity,

Answer is 780m;29m

Please help!!!!