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Year 12 Specialist (Unit 3 & 4) Vector calculus

Position vectors as a function of time

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Questions
Question 1
196199
A particle moves so that its position at time \(t\) seconds is \(\mathbf{r}(t)=(2t+1)\mathbf{i}+(3t-4)\mathbf{j}\) (in metres). Find its position vector when \(t=2\).
\(5\mathbf{i}+2\mathbf{j}\)

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