Recent content by goorioles747

And would you set the E = .5mv2? Or can you not because of the uncertainty principle?

Homework Statement Given the dispersion equation of an electron in an electric field: Homework Equations a) calculate the velocity of the electron if k = π/a b) If the electric field E is applied in the -x direction, derive the time dependence of k for an electron initially at k...

Hi, I need to make a propeller using either soda bottle plastic or cardstock. I think I can come up with a mechanism to spin it with a rubber band, but, I need an efficient propeller that creates enough power to move the car I am building. Any ideas/possible designs?