ANST - Gulf WAR
STALPL at integris-health.com
Thu Aug 21 14:04:01 PDT 1997
> Um, force is not relevant here. Momentum (mv) is the key here
> (I believe kinetic energy, 1/2 mvv, is not appropriate, as energy
> can be dissipated in a collision). So adding mass to the projectile
> is as effective as adding to the velocity, ceteris paribus.
> However, the limit on velocity may be a mechanical one based on
> the structure of the launcher. For a sufficiently light projectile,
> the arm may accelerate up to N MPH because that's what the rubber
> band plus the mass of the arm allow, say.
> Further, air drag is affected by the density.
> If those weren't factors, and if the launcher added a fixed
> momentum (which it presumably doesn't, as I wrote above),
> we could launch ping-pong balls that would be as effective as
> shot puts -- the ping-pong balls would be going like a bat out of
> Daniel de Lincoln
> Tim McDaniel. Reply to tmcd at crl.com
> tmcd at tmcd.austin.tx.us is not a valid address.
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Not to mention that adding mass to the projectiles is an easy way of increasing
Barony of Wiesenfeuer
mka Phillip Stallcup
stalpl at integris-health.com
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