Answer:
[tex]9.0\:\text{J}[/tex]
Explanation:
The work of an object is given by [tex]W=F\Delta x[/tex], where [tex]F[/tex] is force applied and [tex]\Delta x[/tex] is displacement.
Substituting given values, we have [tex]W=5.0\cdot 1.8=\boxed{9.0\:\text{J}}[/tex]
