Recent content by Marek

so: 0|\ 0 \ \ <--- A area 00 \ \ 000 \ \ 00000\| <--> x 0000 - molecules Sorry for poor graph. So i can assume that: my area what is "pushing" by disc is Ax, in this area is Axn0 molecules, and mass of this area is Axn0u. I think that the molecules are not moving (so is false in reality, but...

Hello, I have very interesting physics problem. But i really have no idea how to solve it... Maybe somebody can give me some useful hints? Here we go: "Air drag (air resistance, drag) is a resisitvie force which is the result of a moving object colliding with air molecules. Dervie the drag...