Recent content by TheRedDragon

Homework Statement Show that the energy momentum conservation forbids the reaction (gamma)-> positron + electron, Gamma is a photon, which is chargeless and massless Homework Equations E(photon)=hf p(photon)=hf/c Conservation of Energy Conservation of Momentum 4-momentum The Attempt at a...

Homework Statement An overdamped oscillator with natural frequency w and damping coefficient y starts out at a position xo>0. What is the maximum initial speed (directed toward the origin) it can have and not cross the origin? Homework Equations Overdamped Case Equation...