Quote:
Originally Posted by R.I.T.Z
nope. 8mm hurts more.
the speed may decrease but the kenetic energy does not.
set up 2 chronographs. one at 10 feet the second at 20feet. say the first one will register at about 400fps the second will register less.
but if you stand at 10 feet get hit, and 20 feet and get hit the pain is the same its just the impact time is different.
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Kinetic energy is directly related to speed; the formula for it is 1/2*mass*velocity^2, so a lower velocity will result in less kinetic energy.
Also that pound of feathers is heavier than a pound of lead thing is missing the point; a 6mm bb can be heavier than an 8mm one, but it would have to be significantly denser for it to be.