PPT Slide
Lots of helpful Moment’s of Inertia on p. 278 in table 9-2
Embarrassing note: the reason the wooden cylinder went slower than
the aluminum one was because of complications with
rolling friction of each surface against the wooden ramp.
Ideally, because their mass distributions were the same, they
should have rolled at the same rate. The mass drops out of the
velocity equation in the absence of friction.