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# Ranking Change in Momentum of Four Balls

APPH12-GCKA5S

In the image below are four balls of differing masses and initial velocities thrown at a solid wall.

If all collisions are perfectly elastic, rank the absolute value of the change in momentum of the balls from greatest to least.

A

$C>A>B>D$

B

$D>B>A>C$

C

$A=B=C=D$

D

$A>D>C>B$