Recent content by iSY

I thought that there would be no gravitational energy initially if both particles are at the plane of the table. Then when one fall through the halls its change in height is -(l-r). Could this be where my assumption is wrong?

Hi, I've spent quite a while trying to figure this out but can't quite seem to get there... any ideas? 1. The Question Two particles of mass m are connected by a light inextensible string of length l. One of the particles moves on a smooth horizontal table in which there is a small hole. The...