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SAT® Subject Test in Physics

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Moderate

Blue and Red Collision

SATPHY-ELCATF

The following graphs show the momentum of two objects (one red object and one blue object) before, during, and after a collision. The blue graph correctly shows the momentum of the blue object in each case. The red graphs are all different.

Which graph best represents the possible momentum of the red object before, during, and after the collision?

A
B
C
D
E