Question

wat is perpenddicular axis theorem?

Answer 1

Off topic.

Answer 2

??

Answer 3

it's a physics question

Answer 4

http://en.wikipedia.org/wiki/Perpendicular_axis_theorem

Answer 5

^not that that article is very helpful in my opinion

Answer 6

ya turing can u hlp?

Answer 7

with this? No, I don't remember this theorem, or much about moments of inertia in general.
Why, got anything else?

Answer 8

I agree this is a Physics question. But in any case, you'll find it in this lecture, where he explains it and uses it:
http://ocw.mit.edu/courses/physics/8-01-physics-i-classical-mechanics-fall-1999/video-lectures/lecture-19/