Answer
$0.17C^{\circ}$
Work Step by Step
We can find the change in temperature as follows:
$Q=mC\Delta T=mgh$
This simplifies to:
$\Delta T=\frac{gh}{C}$
We plug in the known values to obtain:
$\Delta T=\frac{(9.81)(72)}{4186}$
$\Delta T=0.17C^{\circ}$