Answer
$0.28J$
Work Step by Step
We can find the work done as
$W=K_f-K_i$
$\implies W=\frac{1}{2}I\omega^2-0$
$\implies W=\frac{1}{2}(\frac{1}{2}ML^2)\omega_f^2$
We plug in the known values to obtain:
$W=\frac{1}{2}[\frac{1}{2}(0.44)(0.53)^2](7.4)^2$
$W=0.28J$
