this post was submitted on 15 Oct 2024
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The simplified distance rule we learn in europe is: half your speed (km/h) in meters or as an equation, v/2000. E.g. you drive 120km/h, keep 60m distance.
In the US, usually it's one car length per 10mph.
Probably not much more intuitive than yours, but less math required on the fly.
Tbh the math required is pretty similar, I just divide the speed by 2 and am done.
That's very reasonable if you're accustomed to operating in metric ... Which we all should be, but here we are.
We all should be?
Ah, that could be interpreted at least two different ways. I have a suspicion of how this conversation will go, but I'm interested to find out.
It's my opinion that the metric system is superior to the imperial, so we should all be primarily exposed to the superior system. Some may disagree and I won't claim that I'm objectively correct. No worries if you disagree - regardless of my opinion, the imperial system is what I've been exposed to and what I use.
Alternatively, the statement might be interpreted as "you should be familiar with the metric system even if you reside in a country where it's not the primary system." That's probably less true - while it might behoove one to be familiar with the metric system, I don't blame the individual for the limitations placed on them by the government, regardless of what's better.
If you have a third interpretation, it's probably not what I meant, but I would be interested in hearing it.