Elastic vs Inelastic Equation?

Ball A of mass 3.10-kg, moving to the right at a velocity of +3.40 m/s on a frictionless table, collides head-on with a stationary ball B of mass 8.10-kg. Find the final velocity of ball A if the collision is elastic. Give your answer in SI units. What is the difference in the equations between elastic and... show more Ball A of mass 3.10-kg, moving to the right at a velocity of +3.40 m/s on a frictionless table, collides head-on with a stationary ball B of mass 8.10-kg. Find the final velocity of ball A if the collision is elastic. Give your answer in SI units.

What is the difference in the equations between elastic and inelastic equations? Can you give the equations?
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