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 1
 Problem Statement
 A billiard ball B must be shoot into the side hole D by making a rebound on the Cband. Calculate the position x of the impact on the band for the restitution coefficients (e) a) e = 1 and b) e = 0.8.
 Relevant Equations

m1v1i + m2v2i = m1v1f + m2v2f
1/2 m1(v1i)2 + 1/2 m2(vi)2 = 1/2 m1(v1f)2 + 1/2 m2 (v2f)2
(v2f)n  (v1f)n = e[ (v1i)n  (v2i)n] (n = normal component)
And without information one the ball A, I can't see how to resolve that.
I will really apreciate if you can help me on this one. Thanks a lot!
Antony