Two protons, both with a velocity of 4,000m/s, are shot one against the other. How much close to each other will they be able to get? Assume that initially the protons are so far apart that there is no electric interaction between them - , tot _ tot Energy Conservatlon. E1. E f is zero , is zero , no interaction protons invert direction between protons of motion at closest point U?" + Kl?\" = U)?\" + K j?' 2(lm vfj=kee 2 P r. r _ke2 mi" mpvl.2 9 2 19 2 9x10 HCmT(1.6x10 c) 9 rm - 8.62x10' m= 8.62nm _ 1.67x10'27kg(4,000%)2 _