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A comment on A First Look at America's Supergun. Parent comment

Re:A First Look at America's Supergun by stcredzero on Saturday May 28, 2016 @03:55PM (#11793153)
The destructive power of this gun comes from the energy of its momentum

Sorry, but it sounds like not all readers on this website know the difference between kinetic energy and momentum. Here's a K-12 level website: http://www.batesville.k12.in.us/physics/phynet/mechanics/ene...

It has a very illustrative question: Would you rather be hit by a 1000 kg vehicle going 1 meters per second, or by a 1 kg meatball going 1000 meters per second?

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Re:A First Look at America's Supergun by lobster_johnson on Saturday May 28, 2016 @04:03PM (#11793183)
Not sure why you're replying to me. I literally referred to kinetic energy ("the energy expended to accelerate it") in my comment.
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Re:A First Look at America's Supergun by TeMPOraL on Saturday May 28, 2016 @06:02PM (#11793773)
Your comment seems to be confusing momentum (m * v) and kinetic energy (m * v * v).
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Re:A First Look at America's Supergun by lobster_johnson on Saturday May 28, 2016 @06:14PM (#11793821)
I'm not confusing anything, but I wasn't trying to be scientifially rigorous, either. By "energy of the momentum" I was referring, admittedly imprecisely, to the fact that the kinetic energy is a function of the momentum. Or, to be precise, E_k=p^2/2m. At least as I understand it.
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