The velocity of a particle is and its acceleration is zero

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

The velocity of a particle is v=(2i^+3j^−4k^) m s−1\mathbf{v}=(2\hat{i}+3\hat{j}-4\hat{k})\ \text{m s}^{-1} and its acceleration is zero. State whether its motion is one-, two-, or three-dimensional.

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