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# Puppy Direction Change: Kinematics Graphing

APPH12-NDBBS0

The graph below shows the velocity vs. time for a wayward puppy moving along a straight path.

According to the graph, when does the puppy change direction, if ever?

A

$t=2.0\ \text{s}$

B

$t=5.0\ \text{s}$

C

$t=2.0\ \text{s}$ and $t=5.0\ \text{s}$

D

$t=7.0\ \text{s}$