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## Homework Statement

For example particle performs a motion in x-y plane. In y there are walls from both side so particle can go in y direction from zero to [tex]h[/tex]. I need to plot trajectory. If I got trajectory [tex]y=x^4-x^2[/tex] then

[tex]\lim_{x\to \infty}y(x)=\infty[/B]

## Homework Equations

## The Attempt at a Solution

If I got trajectory [tex]y=x^4-x^2[/tex] then

[tex]\lim_{x\to \infty}y(x)=\infty[/tex], but because of the condition I may say that

**[tex]\lim_{x\to \infty}y(x)=h[/tex]. Maybe then [tex]y=h[/tex] is some natural horisontal asymptote?**[/B]