this post was submitted on 13 Aug 2024
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Lemmy Shitpost

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Welcome to Lemmy Shitpost. Here you can shitpost to your hearts content.

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[–] Skua@kbin.earth 6 points 3 months ago (1 children)

Speed is metre hertz rather than metre per hertz. Metres per hertz would measure absement, which is a measure of how far away something is from a start point and for how long. So being twice as far away for half the time would be the same amount of absement.

[–] Eheran@lemmy.world 2 points 3 months ago (1 children)

Yes, sorry for the little error, my point is that m*Hz it is not generally speed but only in specific cases. Hz is not just "per time" but "something occurring x times per time", like a frequency or revolutions. You can not use it for regular speed, it has to be a periodic event. That is how it is defined:

The hertz is defined as one per second for periodic events.

This is why we have Becquerels to count decay events, which are random and not periodic, but the unit is also 1/s. And for the same reason you can not use m*Bq as speed.

[–] bleistift2@sopuli.xyz 2 points 3 months ago

I never knew that Hertz requires a periodic event. Thanks for that and the Becquerel explanation!