Recent content by tianyi.tan

hi, thanks so much! regarding (3), yupp I have learned about centripetal acceleration, but I'm not sure what they mean by the matter staying on the surface. Am I supposed to equate v2/r to the gravitational field strength? :S

Hello.. some stuff from my tutorial I'm confused about, pls help! thanks:) 1) Why does the moon not fall and hit the earth? Since both exert attractive forces on each other, there should be some kind of acceleration towards a common point.. >< 2)When the Earth and moon are held at rest at...

Hello! Can someone please enlighten me about coulomb blockade & how its relevant to Single Electron Transistors? Thanks :))