Two protons (radius 10^-15 m) are headed directly toward each other with
equal speeds. Use the principle of energy conservation to compute the minimum
kinetic energy and initial speed each proton must have if they are to
W = delta K
W = - delta U
U1 + K1 = U2 + K2
The Attempt at a Solution
I've tried drawing diagram and listing known equations but for some reason, i just can't do this..need some good tips or hints...