- #1
gotpink74
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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