Apentix/AP Physics 1/Unit 1: Kinematics/Question
AP Physics 1mediummcq1 pt

A velocity-time graph crosses the time axis from positive to negative. At the crossing instant, the object

A.is momentarily at rest and reverses direction
B.has zero acceleration
C.is at the origin
D.moves at constant speed forever after

Explanation

Core Concept

Zero velocity with a sign change means the object stops for an instant and reverses.

Correct Answer

Ais momentarily at rest and reverses direction

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