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AP Physics C: Mechanics/Unit 1 – Kinematics
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Velocity and Acceleration Analysis

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A particle moves along the x-axis with a velocity given by v(t) = 3t² - 2t m/s. Which representation correctly describes the particle’s motion at t = 2 s?

A

The particle is moving in the positive x direction and accelerating

B

The particle is at rest momentarily before changing direction

C

The particle is moving in the negative x direction and accelerating

D

The particle is moving in the positive x direction and decelerating

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