frankPodmore@slrpnk.net to Fuck Cars@lemmy.worldEnglish · 4 个月前Car tyres shed a quarter of all microplastics in the environment – urgent action is neededtheconversation.comexternal-linkmessage-square73fedilinkarrow-up113arrow-down10cross-posted to: humanscale@communick.news
arrow-up113arrow-down1external-linkCar tyres shed a quarter of all microplastics in the environment – urgent action is neededtheconversation.comfrankPodmore@slrpnk.net to Fuck Cars@lemmy.worldEnglish · 4 个月前message-square73fedilinkcross-posted to: humanscale@communick.news
minus-squaresping@lemmy.sdf.orglinkfedilinkEnglisharrow-up0·4 个月前 should be proportional to the weight of the system It’s that really true? Wear to the roads is proportional to the fourth power of axle weight so I would never have predicted a linear relationship.
minus-squareaim_at_me@lemmy.nzlinkfedilinkEnglisharrow-up0·3 个月前Exponential relationships are still proportional.
minus-squaresping@lemmy.sdf.orglinkfedilinkEnglisharrow-up1·3 个月前No they are not. That’s not what it means. https://en.m.wikipedia.org/wiki/Proportionality_(mathematics)
It’s that really true? Wear to the roads is proportional to the fourth power of axle weight so I would never have predicted a linear relationship.
Exponential relationships are still proportional.
No they are not. That’s not what it means.
https://en.m.wikipedia.org/wiki/Proportionality_(mathematics)