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## Homework Statement

a vehicle is traveling at 25m/s. its breaks provide an acceleration of -3.75m/s^2. What is the drivers maximum reaction time is she is to avoid hitting an obstacle 95.0m away?

## Homework Equations

D=vi(t) +1/2a(t)^2

3. The Attempt at a Solution

D=95m

vi=25 m/s

a=-3.75m/s ^2

I plugged it into the equation

**D=vi(t) +1/2a(t)^2 and i got -2.02, which is obviously**wrong

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