<"Tim Nikias v2.0" <tim.nikias (@) nolights.de>> wrote:

> For simplicities sake, use a ball with 10km/h that starts rolling a 45
> degree upward slope for 10 meters. Gravity is 10m/s. What'd be the velocity
> after 5 meters? What's the formula for that?

1) Does the ball have an initial rotation?
2) Should it be completely rolling (or is partial sliding allowed)?
3) if 1=true and 2=false, is a direction of rotation that is not
   parallel to vcross(velocity,middleOfBall-pointWhereBallTouchesSurface)
   allowed?

If 3 is true, the solution can get quite complicated, I think.

Lutz-Peter

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