# Elastic Collisions solving for velocity any help?

1/2m1v1,o=1/2m1v1f^2 +1/2m2v2f^2
and
m1v1,0= m1v1f + m2v2f

any idea on how to solve for m1v1f and m2v2f

tiny-tim
Homework Helper
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Hi bigred22! Welcome to PF!

(try using the X2 and X2 tags just above the Reply box )
1/2m1v1,o=1/2m1v1f^2 +1/2m2v2f^2
and
m1v1,0= m1v1f + m2v2f

any idea on how to solve for m1v1f and m2v2f

Try dividing everything by m1, and squaring the second equation.