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Old 09-30-2025, 12:04 AM
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bullet strike at 20,000,000 FPS.

It is pretty neat how you can see the bullet strike the surface and then compress and disintegrate. If you go to the 19:30 mark or so they are shooting a glass globe and they seem to detect a shock wave just below the surface of the glass that is traveling at about mach 40 or 40,000 feet per sec. The clarity and detail of what the camera detects is amazingly detailed and crisp.

http://www.youtube.com/watch?v=IM4zZchluX0

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Last edited by davidmash; 09-30-2025 at 12:24 AM.
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Old 09-30-2025, 03:38 PM
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I have to wonder how they can get a bullet moving that fast. A depleted uranium 50 caliber tank killing bullet "only" travels at 3000 ft./s
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Old 09-30-2025, 06:48 PM
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According to the vid, its the shock wave moving at Mach 40, not the bullet
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2014 C250 21,XXX my new DD ** 2013 GLK 350 18,000 Wife's new DD**

- With out god, life is everything.
- God is an ever receding pocket of scientific ignorance that's getting smaller and smaller as time moves on..." Neil DeGrasse Tyson
- You can pray for me, I'll think for you.
- When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
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Old 10-01-2025, 06:40 PM
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I was curious, I did a web search on the speed of light in FPS, here is what I got:

983,571,056.4 feet per second.

I guess it's pretty obvious that a bullet is not gonna travel about 1/49th the speed of light. I wasn't really familiar with the shock wave traveling at high-speed. It's an interesting discussion at any rate.

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