# #

Between time $$t =$$ $$s$$ and $$t =$$ $$s$$, a force $$\vec{F}$$ = ( $$\hat\imath$$ - $$\hat\jmath$$ ) N moves a kg object along a trajectory $$\Delta\vec{r}$$ = ( $$\hat\imath$$ - $$\hat\jmath$$ ) m.

## Part 1#

How much work is done by this force?