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[Rohit John <question699273@xxxxxxxxxxxxxxxxxxxxx>]

Question #699273 on Yade changed:
https://answers.launchpad.net/yade/+question/699273

Rohit John gave more information on the question:
Hello all,

I derived the equations for getting the state after the collision using
the following code

Kind regards,
Rohit K. John

# ------------------------------------------------------------------------ Script
from sympy import *
m, v0, l, iz, w1, v1 = symbols('m, v0, l, iz, w1, v1') 

eq1 = Eq(2*m*v1*l + iz*w1 - 2*m*v0*l, 0) # Angular momentum conservation 
eq2 = Eq(m*v1**2  + 1/2*iz*w1**2 - m*v0**2, 0) # Energy consevation

sol = solve((eq1, eq2),(v1, w1))

sol[1]

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