Chapter 12.3, Problem 4E

(a)

To determine

The velocity vector, speed and acceleration vector of the

object for a provided position vector $\overrightarrow{r}\left(t\right)=t.\widehat{i}+\left(-t+4\right)\widehat{j}$ and at a given point $\left(1,3\right)$.

(b)

To determine

The velocity vector and acceleration vector at the given point $\left(1,3\right)$.

(c)

To determine

The sketch a graph of the path and sketch the velocity and acceleration vector at the given point.