Recent content by Parto0o

I think I have no idea about it. I already know the basic formulas, but cannot relate them to this question.

Homework Statement A physical pendulum, consisting of a uniform rod (of mass M and length L) with an attached blob, can oscillate about an axis that goes through one end of the rod. The mass of the blob is also M. The distance of the blob to the rotation axis is x. The aim is to derive a...

Hi everyone. So I got this question in a test, but I'm not exactly sure about the answer. Q: For a planet moving in an elliptical orbit, why is 1/2Iω^2 not the correct expression for its kinetic energy? Thanks a lot in advance.