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skp123

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## Homework Statement

A 20 kg car slides 5 m down the smooth(frictionless) ramp with an initial celocity 0.

a) Determine the acceleration when the car moves from A to B.

b)Determine the velocity of the car in point B.

c)Determine the point (distance L) where it strikes the ground at C.

d) How long does it take from A to C ?Image of the car

http://img205.imageshack.us/img205/1/carcx.jpg

## Homework Equations

## The Attempt at a Solution

Can I find the acceleration doing this.

G=mgsin(30) = 10 N

F=ma -> a=F/m -> a=2 m/s

If this is wrong , can anybody tell what i am doing wrong.I haven't solved problems like this before and I want to know if i am doing it right or no

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