this post was submitted on 07 Mar 2024
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[–] [email protected] 7 points 8 months ago (2 children)

The same forces but concentrated onto our heroes arms. Very efficient way to slice

[–] [email protected] 7 points 8 months ago

The slicing forces would actually be helpful, because the resistance of the arms would spread the impulse out over a longer time period. So maybe you get decapitated, but your head doesn’t just instantly splat. So you get… a few seconds? more of life.

[–] [email protected] 2 points 8 months ago

our hero's* arms

[–] [email protected] 7 points 8 months ago (1 children)

This begs the question for me - at terminal falling speed, what's the fastest you can decelerate to 0 and not sustain injury? And given that, how much more distance would you need to move?

Maybe a superhero can catch you, decelerate you to 0 over 3 inches and that's good enough?

[–] [email protected] 7 points 8 months ago* (last edited 8 months ago) (2 children)

Human terminal velocity is roughly 56 m/s. Let's say our superhero wants to decelerate the person at 10G, which should be survivable for a short period. That would be 0.6 seconds of deceleration over 48 m. That's a short time but quite a long distance, let's slow down faster:

20G -> 0.28 seconds, 24 m.

30G -> 0.19 seconds, 16 m.

50G -> 0.11 seconds, 9.6 m.

100G -> 0.057 seconds, 4.79 m.

200G -> 0.029 seconds, 2.45 m.

5000G -> 0.0011 seconds, 3.6 inches.

A 40 mph car crash in a modern car into a solid wall gives around 15G.

F1 driver David Purley survived a 180G crash in 1977.

In short, I don't recommend catching someone with 3 inches to spare.

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[–] [email protected] 3 points 8 months ago

I came here looking for a The Boys comment about the plane, but noone talked about it 😓

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