A small ball (m= 0.25kg) traveling to the right with a velocity of 16.0m/s makes a perfectly elastic collision with a heavier ball (m=2.00kg) moving to the left with a velocity of 4.00m/s. What is the final velocity of each ball?
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ie momentum before collision = momentum after collision
= 6.66 for heavier ball
=-5.33 for smaller ball
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