Recent content by dwieker

Homework Statement Imagine two masses connected to each other by a string. One mass sits atop a table, while the other mass dangles below the table, as the string is fed through a hole in the center. The configuration looks like this...

The worst part is that I and many other students failed an entire problem on his midterm because of this disagreement

I did precisely that. Either he's too arrogant to actually listen to anything I'm saying, or he doesn't actually understand the problem at hand.

Thanks. I've actually showed him a gif of circles rolling within another circle, like this one: http://www.math.ucr.edu/home/baez/mathematical/astroid_animation.gif His response was, I kid you not, was that I "simply am missing the point of the constraint condition."

Imagine a solid ball rolling around in a hemispherical bowl without slipping. The bowl has radius L and the ball has radius R. I need to write down the constraint relating the angular velocity of the ball, call it omega , to the angular velocity the center of the ball is sweeping out in the...