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1.13.1 Vectors in two and three dimensions

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Question 27

The position vectors of the points R R\,R and S S\,S relative to an origin O O\,O are OR⃗=8i−3j−2k\vec{OR} = 8\mathbf{i} - 3\mathbf{j} - 2\mathbf{k}OR=8i−3j−2k and OS⃗=5i−7j+k\vec{OS} = 5\mathbf{i} - 7\mathbf{j} + \mathbf{k}OS=5i−7j+k.

a.

Find the vector RS⃗\vec{RS}RS

[3]
b.

Find ∣RS⃗∣|\vec{RS}|∣RS∣

[3]

1.13.1 Vectors in two and three dimensions Questions

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