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azi@mander.xyz
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mm/mm?? why not call it m/m?

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captainlezbian@lemmy.world
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Because we’re precise!

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bleistift2@feddit.de
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Why km/h (or mph) and not ft/year? Because the numbers have a nicer magnitude then.

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nooneescapesthelaw@mander.xyz
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Doesn’t apply here, say for example i have a piece of steel with length 100mm and it stretches 10mm, is mm/mm the strain would be 0.1 mm/mm, in meters it would be 0.1m/m

Really strain is dimensionless but occasionally people add units

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bleistift2@feddit.de
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I feel like I should’ve spotted that… they’re the same units. 🤦

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