Re: collision
- From: "PD" <TheDraperFamily@xxxxxxxxx>
- Date: 10 May 2006 10:52:54 -0700
Gunnar G wrote:
If two 2D circular shaped objects (with different velocities and masses)
collides total elastically I find that there are four unknown variables,
the two vellocities and their direction in x- and y-direction.
With conservation of momentum (mass times velocity) I get two equations, and
conservation of energy gives a third equation.
Then there is one degree of freedom left. How can I resolve the situation
and find the velocities after the collision?
What you need is the direction of the momentum-transfer, which must lie
along the line connecting their centers on contact. This is equivalent
to what's called an "impact parameter" in scattering theory.
PD
.
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- From: Gunnar G
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