# Conservation Of Mechanical Energy PROBLEM

1. Nov 21, 2008

### CoffinSupply

1. The problem statement, all variables and given/known data

A novice skier, starting from rest, slides down a frictionless 35.00 incline whose vertical height is 185 m.How fast is she going when she reaches the bottom?

2. Relevant equations

Need the rest of the solution.

3. The attempt at a solution

PICTURE SCAN:
1. The problem statement, all variables and given/known data

I Need to check if this is correct formula and need to do the rest by someone who knows. Thanks.

2. Nov 21, 2008

### tiny-tim

Welcome to PF!

Hi CoffinSupply! Welcome to PF!
Yes, that's right … mg(185) = (1/2)mvf2

so vf = … ?

3. Nov 21, 2008

### CoffinSupply

Re: Welcome to PF!

Thanks, PF a great place!

vf =49.5 m/s ?

4. Nov 21, 2008

### tiny-tim

I don't think so …

how did you get that?

5. Nov 21, 2008

### CoffinSupply

crossed out like terms. But how would you do it?

6. Nov 21, 2008

### Sakha

Can't you get the length of the slope using trigs and then then acceleration is g*sin35?

7. Nov 21, 2008

### CoffinSupply

Can I get a complete solution to the problem done , if possible?