Arthur, I was unable to communicate with you on a far simpler subject. You have consistently either misunderstood or intentionally twisted what I have had to say either because of your obsession with momentum or simply a desire to argue. I'm not going to argue about this or explain how you have misunderstood what I wrote or try to explain how you are incorrect. It would be fruitless. My explination was a simple textbook explination. Though far from a complete discussion on the mechanics of penetration, what was said was accurate.

BTW, both KE and momentum exist only in the minds of men! The are both nothing more than mathmatical tools or "descriptions" or "measures" to aid in our understanding of the real events consisiting of and the result of mass in motion.