Solve any of three variables in a Kinetic Energy equation using this script. Simply enter two of the three values and submit to find the value of the third variable. The default mass is 1 electron mass in eV/(km/s)^2. For protons, enter "1.04e-2", for O+, enter "1.67e-1"

MASS (e-) VELOCITY (km/s) KINETIC ENERGY (eV)