PHYSICS
posted by myra .
Two balls collide on a horizontal, frictionless table. Ball A has a mass of 0.175 kg and travelling at 1.20 m/s [E 40o S]. Ball B has a mass of 0.225 kg and is travelling at 0.68 m/s [E]. The velocity of ball B after collision is 0.93 m/s [E 23o S]. What is the velocity of ball A after the collision? What percentage of the kinetic energy is lost in the collision?

PHYSICS 
bobpursley
Break the problem into EW components, and NS components.
Then solve by use of conservation of momentum in each of those directions.
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