Determine the angle of two rigid bodies after a collision

AI Thread Summary
Determining the angle of two rigid bodies after an elastic collision requires understanding the principles outlined in physics textbooks. The discussion emphasizes the need for more information about the collision, including the application of relevant equations and proper diagram annotations. Participants suggest that the horizontal line in the drawing should be tangent to both objects at the point of contact. Additionally, the direction of the impulse of momentum transferred during the collision is questioned, particularly in a frictionless scenario. Overall, a solid grasp of elastic collision concepts and thorough analysis is essential for accurate results.
shadi
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Homework Statement
i have two balls with initial velocity v1,v2 and angle theta1,theta2
how do i determine the new velocity and angle for each one
Relevant Equations
the momentum conservation
p1+p2=p1'+p2'
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yes it is elastic
 
Then this is covered in every first year physics book and many other places. Look it up please. Elastic two-body collision. You can report your work and result if you desire
 
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Agreed. @shadi -- you need to show your best efforts to figure this out before we can offer tutorial help here at the PF. Try applying the Relevant Equation that you listed...
 
The drawing could use some commentary. There is a horizontal line drawn through the center. All of the angles are referenced to that line.

When the two objects touch, is this line supposed to be tangent to both of them?

In the absence of friction, what is the direction of the impulse of momentum that is transferred between the objects at the instant of the collision?
 
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