Talk:Ballistic pendulum
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A fact from Ballistic pendulum appeared on Wikipedia's Main Page in the Did you know? column on 21 May 2008. |
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[edit] Comments
Please do a better job of labeling the variables such as the P. WTF is it? um hello...p is momentum, which all physics students should know by now
[edit] It can't measure energy directly...
Ballistic pendulums trap the bullet, thus they use an inelastic collision, which does NOT conserve kinetic energy--a bunch of energy is converted into heat and deformation. Pendulums measure momentum, which can then be reverse-engineered into energy by using the mass and velocity measured and running it through the kinetic energy equation. A nit-picky point, perhaps, but still... scot 22:19, 26 March 2007 (UTC)
