?

AP® Physics C: Mechanics

Free Version

Upgrade subject to access all content

Easy

Kinematics Graphing: Puppy Direction Change

APPHMC-RE1W@W

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

CMKrehbiel. Created for Albert.io. Copyright 2016. All rights reserved.

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

A

$t=2.0s$

B

$t=5.0s$

C

$t=7.0s$

D

$t=2.0s$ and $t=5.0s$

E

The puppy does not change direction during the interval graphed.