A bird flies from point whose position vector is to point whose position vector is

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A bird flies from point

A

whose position vector is

6\hat{i}+2\hat{j}+5\hat{k}\,\text{km}

to point

B

whose position vector is

-4\hat{i}+6\hat{j}-3\hat{k}\,\text{km}

. Calculate the magnitude of the bird’s displacement.