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4 Unit A2 2: Applied Mathematics (A-level only)

The position vector of a particle at time $t\,$ seconds is $r=(t2+1)i+(t3−3t)j\mathbf r=(t^2+1)\mathbf i+(t^3-3t)\mathbf j$ metres.

Find, in vector form, the velocity and acceleration when $t = 1$ .

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4 Unit A2 2: Applied Mathematics (A-level only) Questions

The position vector of a particle at time $t\,$ seconds is $r=(t2+1)i+(t3−3t)j\mathbf r=(t^2+1)\mathbf i+(t^3-3t)\mathbf j$ metres.

Find, in vector form, the velocity and acceleration when $t = 1$ .

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