– 34 cm/s - 20 cm/s → 6.9 g 14 g
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Assume: Moving to the right is positive.
A(n) 6.9 g object moving to the right at 20 cm/s makes an elastic head-on collision with a 14 g object moving in the opposite direction at 34 cm/s.
Find the velocity of the 14g object after the collision.
Answer in units of cm/s.
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