INTERACTIVE EXAMPLE
© 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
-15
J. A proton has a mass of 1.673×10
-27
kg and a charge of +1.602×10
-19
C. What is the magnitude of a uniform electric field that will stop these protons in a distance of 2 m?
|E| =
N/C