© Copyright, Department of Physics, University of Illinois at Urbana-Champaign

Particle Beam

A particle beam is made up of many protons each with a kinetic energy of 3.25×10-15J. A proton has a mass of 1.673×10-27kg and a charge of +1.602×10-19C. What is the magnitude of a uniform electric field that will stop these protons in a distance of 2 m?

|E| = N/C