# Need some homework help

1. Jan 15, 2008

### steve986

calculate the acceleration of a car that travels down a hillthat is 1.2 meters long in 2 seconds

a=f/m

all that i have down is the forula but there is no other variables.
--im stumped

2. Jan 15, 2008

### Feldoh

Use the constant acceleration motion equations. If you don't know them google motion equations

3. Jan 15, 2008

### steve986

wow they are really confusing

is there a way i can get the solution without trying to figure them out???

how can i find the force if i dont even know the acceleration?

4. Jan 15, 2008

### steve986

imm really pissed at my science teacher right now

5. Jan 15, 2008

### Masest

wait.... i have this nifty little equation you can use to calculate the acceleration with the final velocity..... d=(vi)(t)+(1/2)(a)(t)^2 vi is the initial velocity, and that equals zero, so you can cut that out and use the d=(1/2)(a)(t)^2 and work the equation to equal a.... that is all i am gonna give you

Last edited: Jan 15, 2008