Velocity and Acceleration Analysis
The velocity of a particle moving along the x-axis is given by v(t) = 3t² - 2t m/s. Which of the following best describes the motion of the particle at time 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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