Recent content by rhettfraser

  1. R

    Calculating Electron Trajectory in an Electric Field

    ok now I've worked out that the work done is 3.04x10-17 how should i work out that when KE is zero the electron will stop? I know that W= Change in PE, is there anyway that W is related to KE?
  2. R

    Calculating Electron Trajectory in an Electric Field

    Homework Statement An electron is accelerated from the filament in a vacuum tube towards a metal grid which is maintained at a potential of 180 Volts. It goes through one of the holes in the grid and continues towards a metal plate 1.2 cm away which is maintained at a potential of -10.0 Volts...