PHYSICS (most is worked)

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A glass ball, ball A, of mass 6.0 g moves at a velocity of 18.0 cm/s. It collides with a second ball, ball B, of mass 8.0 g, moving along the same line of velocity of 11.0 cm/s. After the collision, ball A is still moving, but with a velocity of 10.0 cm/s.

Ball A's original momentum:
.00108 kg·m/s

Ball A's change in momentum?
-4.8E-4 kg·m/s

Ball B's change in momentum?
4.8E-4 kg·m/s

Ball B's speed after the collision?
17 cm/s

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What is the momentum of ball B after the collision?
__?__ kg·m/s

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