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## Homework Statement

A 1300 kg car in neutral at the top of a 17° inclined 10 m long driveway slips its parking brake and rolls downward. At what speed will it hit the garage door at the bottom of the incline? Neglect all retarding forces.

## Homework Equations

(sin17)

(cos17)

x=vi*t+0.5*a*t^2

## The Attempt at a Solution

all of these are wrong. I don't understand how I'm supposed to get the answer

2.86 m/s

3.785 m/s

4.9 m/s

7.928 m/s