In Operation an Aluminum Flywheel Within an Engine Gearbox Increases $\circ$

Multiple Choice

In operation an aluminum flywheel within an engine gearbox increases its temperature by 40 ^$\circ$ C.Assuming the flywheel to be a uniform circular disk,calculate the percentage change in the moment of inertia of the flywheel. (Coefficient of linear expansion for Al = 24 $\times$ 10^-6/K.)

A) 0.002%
B) 0.2%
C) 0.1%
D) 0.001%
E) 1.0%