Year 12 Maths Extension 1 (2027)
Vectors
Motion in vector form 2D (velocity/accel, relative velocity, crosswind)
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Questions
Question 1
183025
If \(\mathbf{r}(t)=x(t)\mathbf{i}+y(t)\mathbf{j}\) is the position vector of a moving object, its velocity vector is:
\(\dot{x}\mathbf{i}+\dot{y}\mathbf{j}\)
\(\int\mathbf{r}\,dt\)
\(x^2+y^2\)
\(\ddot{x}\mathbf{i}+\ddot{y}\mathbf{j}\)
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