Rotation Motion Problem: Finding Acceleration and Tensions in a Pulley System

[ehild]

But your first equation looks like:
$m_1g-(m_1)(m_1g)[\frac{I}{R^2}+m_1+m_2]^{-1}$

But I'm pretty sure that's not how you meant it to be.

That formula is correct for T1, Nathanael.

ehild