Recent content by kongieieie

Okay, so I looked up a couple of books and found that this phenomenon is explained by the Marangoni propulsion. I don't really know what it means. Can someone please explain the Marangoni Effect for me please?

A rare species of insect about 1.5mm in diameter floats fully submerged just beneath the surface of the water in lakes and ponds. When threatened, it responds to danger by exuding a noxious substance from its tail that changes the surface tension on the skin of its tail. As a result the...

Nvm. I found a similar answer in another thread.

Sorry about not using symbols but I haven't learned how to do that yet. 1. Homework Statement A woman is on a ladder of height H. She drops small rocks of mass m toward a point target on the floor. Show that according to the Heisenberg Uncertainty Principle, the average miss distance...

Problem solved. Thanks for the hint. :)

A sphere of radius a rests on top of a fixed rough circular cylinder of radius R which is lying with its principal axis horizontal. The sphere is disturbed and rolls, without any slipping, around the surface of the cylinder. Show from energy considerations that, if theta is the angle to the...