Which one of the following expressions correctly gives the displacement vector of a…

PHYSICS · Single correct · CBSE · Physics · Motion in a Plane · Motion in a Plane

Problem

Which one of the following expressions correctly gives the displacement vector Δr\Delta \mathbf r of a particle that moves from position vector r1\mathbf r_1 to position vector r2\mathbf r_2? (a) r1−r2\mathbf r_1-\mathbf r_2 (b) 2 (r2−r1)2\,(\mathbf r_2-\mathbf r_1) (c) r2−r1\mathbf r_2-\mathbf r_1 (d) r1+r2\mathbf r_1+\mathbf r_2

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