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SAT® Subject Test in Physics

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Moderate

Subatomic Particle Slowing Down

SATPHY-XBVK1Y

The graph below represents the velocity of some subatomic particle in an electric field. The graph represents the particle's velocity as it moves in a straight line in positive and negative directions.

During which of the labeled time intervals is the particle slowing down during the entire interval?

A

1 only.

B

4 only.

C

6 only.

D

1 and 4 only.

E

1 and 6 only.