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submitted 3 weeks ago by Posadas@hexbear.net to c/slop@hexbear.net
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[-] merthyr1831@lemmy.ml 51 points 3 weeks ago

carbains cannot comprehend that there's a vehicle with even more momentum and even less stopping power than their wankpanzers. Even with an insane amount of warning a freight train wouldn't be able to stop in time, and when they do there's no guarantee they'd get going if they're near an incline or something.

[-] PKMKII@hexbear.net 17 points 3 weeks ago* (last edited 3 weeks ago)

One of the most hilarious ineptitudes I saw on reddit-logo was when I commented on some story about someone getting hit by a subway train, saying how fast a typical passenger car would have to be going to match the force of an NYC subway train going one mile per hour. I don’t remember the exact number but it was pretty high.

However, one guy responded that he just didn’t believe it, that there was no way something going only one mile per hour could have that much force. A bunch of people chimed in, tried to explain the F = MA to him, but no, it would not compute in his brain.

[-] freagle@lemmygrad.ml 17 points 3 weeks ago* (last edited 2 weeks ago)

It's not accurate to say something going that slow does or not have that much force. It has momentum. Force is change in momentum, which happens over time. Something moving very slow but is very massive will apply a very small impulse (change in momentum) to a human because the collision with the human is elastic. If the human was strapped to a board and the board was anchored, the train would crush the human, but otherwise the human is going to be pushed out of the way, whereas something going much faster but with significant less mass is going to shatter the human because the elasticity of the human is not sufficient to disperse the force fast enough.

[-] merthyr1831@lemmy.ml 1 points 2 weeks ago

now if we can find a way to harness a tiny subway car that can travel super fast, we could launch them into the bourgeois class and finally destroy capitalism

[-] comrade_pibb@hexbear.net 10 points 3 weeks ago

wankpanzer

I'm appropriating this

[-] infuziSporg@hexbear.net 4 points 2 weeks ago
[-] 7bicycles@hexbear.net 3 points 2 weeks ago

Thanks! I lifted this from other people though, this is best ascribed to the greater active travel community

[-] SkingradGuard@hexbear.net 5 points 3 weeks ago

And even if they could stop in time, it would create an even worse accident

this post was submitted on 29 Dec 2024
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