Question

12 221,
4. The temperature of a uniform rod
of length L having a coefficient of
linear expansion a, is changed by AT.
Calculate the new moment of inertia
of the uniform rod about axis passing
through its center and perpendicular
to an axis of the rod.
Answer: I'=I(1 +a.dT)^2​

Answer 1

Answer:

I know this answer but it was very long