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Re: Which one penetrates more easily...?

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JiiPee <no@notvalid.com> wrote:
> If I want to prove/test that a car with a speed of 400 km/hour can not 
> penetrate a certain width of steel plate is this logic valid:
> 
>  I know that a bullet cannot penetrate that plate so a much slower car 
> would not penetrate it neither.
> 
> I know there is energy involved. Does this car have so much more energy 
> that it can still penetrate that plate even though a bullet cannot? (say 
> bullet it made of very hard material).
> 
> But on the other hand bullet is much thinner so isnt it true that it 
> penetrates more easily?

Projectile penetration is highly complex and depends on the projectile
shape, velocity and material as well as the characteristics of the
material you are trying to penetrate.

At low velocities and hard pointed projectiles all you have is basic
mechanical deformation as the kinetic energy drives the point into
the material like a hammer drives a nail.

At sufficiently high velocities the energy released upon impact becomes
such that the target material is melted.

As for shooting cars at steel plates, does tearing the plate to pieces
count as penetration?

-- 
Jim Pennino

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Which one penetrates more easily...? JiiPee <no@notvalid.com> - 2016-12-01 01:17 +0000
  Re: Which one penetrates more easily...? Poutnik <poutnik4nntp@gmail.com> - 2016-12-01 07:00 +0100
    Re: Which one penetrates more easily...? JiiPee <no@notvalid.com> - 2016-12-01 11:17 +0000
      Re: Which one penetrates more easily...? Poutnik <poutnik4nntp@gmail.com> - 2016-12-01 13:42 +0100
  Re: Which one penetrates more easily...? "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-12-01 09:33 -0800
    Re: Which one penetrates more easily...? "hanson" <hanson@quick.net> - 2016-12-01 10:30 -0800
  Re: Which one penetrates more easily...? Yuri Kreaton <invlaid@invalid.com> - 2016-12-01 12:39 -0600
    Re: Which one penetrates more easily...? JiiPee <no@notvalid.com> - 2016-12-01 22:22 +0000
      Re: Which one penetrates more easily...? Odd Bodkin <bodkinodd@gmail.com> - 2016-12-01 16:28 -0600
      Re: Which one penetrates more easily...? Poutnik <poutnik4nntp@gmail.com> - 2016-12-02 07:07 +0100
  Re: Which one penetrates more easily...? jimp@specsol.spam.sux.com - 2016-12-01 19:16 +0000
    Re: Which one penetrates more easily...? JiiPee <no@notvalid.com> - 2016-12-01 22:24 +0000
      Re: Which one penetrates more easily...? Yuri Kreaton <invlaid@invalid.com> - 2016-12-01 17:00 -0600
      Re: Which one penetrates more easily...? jimp@specsol.spam.sux.com - 2016-12-01 23:06 +0000
        Re: Which one penetrates more easily...? JiiPee <no@notvalid.com> - 2016-12-02 00:13 +0000
  Re: Which one penetrates more easily...? "nuny@bid.nes" <Alien8752@gmail.com> - 2016-12-01 15:19 -0800
    Re: Which one penetrates more easily...? "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-12-01 15:51 -0800
      Re: Which one penetrates more easily...? "hanson" <hanson@quick.net> - 2016-12-01 17:12 -0800
    Re: Which one penetrates more easily...? Yuri Kreaton <invlaid@invalid.com> - 2016-12-01 19:03 -0600
    Re: Which one penetrates more easily...? benj <benj@nobody.net> - 2016-12-01 20:44 -0500

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