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submitted 9 months ago by The_Picard_Maneuver@lemmy.world to c/comicstrips@lemmy.world

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Website: https://www.lightroastcomics.com/

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[-] sarchar@programming.dev 7 points 8 months ago

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?

[-] birbs@lemmy.world 7 points 8 months ago* (last edited 8 months ago)

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.

[-] Toine@sh.itjust.works 2 points 8 months ago

Something is wrong with your distance formula by a factor of 4 (you should have D=1/2 * V_0^2 / a) . Not that it changes anything in your conclusions.

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[-] Aurenkin@sh.itjust.works 7 points 9 months ago

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

[-] NightAuthor@lemmy.world 7 points 9 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.

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[-] LemmyRefugee@lemmy.world 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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this post was submitted on 07 Mar 2024

1098 points (97.7% liked)

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