Fromage georg out here eating 10,000 lbs of cheese a day, skewing the average
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finalarbiter@lemmy.dbzer0.comto
Ask Science@lemmy.world•If I'm traveling up a flight of stairs, do I expend more or less energy taking two steps at a time?English
1·4 days agoAlso been a minute since I took physics 1, but IIRC, Work w = Force f × Displacement s in its simplest form.
We can plug in Force f = Mass m × Acceleration a such that w=(ma)s to see that the primary components of work in this scenario are mass, acceleration, and displacement, so velocity doesn’t directly affect work.
I guess you could do some further derivation to get it in as a term via a=d/dtv(t), but you still end up having to calculate acceleration anyways.
finalarbiter@lemmy.dbzer0.comto
Ask Science@lemmy.world•If I'm traveling up a flight of stairs, do I expend more or less energy taking two steps at a time?English
11·4 days agodeleted by creator
finalarbiter@lemmy.dbzer0.comto
science@lemmy.world•Two-thirds of adults with high blood pressure do not know they have itEnglish
3·5 days agoAh, sorry, misread your comment
finalarbiter@lemmy.dbzer0.comto
science@lemmy.world•Two-thirds of adults with high blood pressure do not know they have itEnglish
4·5 days agoThis study was specifically in England, so probably not directly applicable to the US given the disparity in healthcare access. I’m inclined to agree that the percentage of adults in the US with undiagnosed high blood pressure is probably higher.
More than one-third of adults in England have high blood pressure and two-thirds of these are unaware of their diagnosis according to a new study of 1.4 million adults published in BMJ Public Health.
finalarbiter@lemmy.dbzer0.comto
Lemmy Shitpost@lemmy.world•That’s just unrealistic… too few poop breaks.
1·9 days agoGenerally speaking, there is a little negotiation you can do around salary and benefits when/if you reach that point in an interview. That said, many companies will give you an offer and you can either take it or leave it. Showing up with a ‘package’ offering like this will get you laughed out of the room.
finalarbiter@lemmy.dbzer0.comto
Not The Onion@lemmy.world•Infants reported hundreds of times to UK's 'Prevent' anti-terror scheme, including by policeEnglish
0·10 days ago“[The police] use Prevent coercively because it basically means that you have a reason to try and intervene in that person’s life and to put pressure on them to try and engage with you.”
“If they put pressure on a family, it’s through their children. That’s the Achilles’ heel of every parent is their baby. Fear of losing their child and the fear of Prevent turning up.”
They’re abusing the law to intimidate Muslim families. There’s no concern at all about or on behalf of the child, any more than the people reporting random Latino’s to ICE have.
finalarbiter@lemmy.dbzer0.comto
Ask Lemmy@lemmy.world•Do you like the wavy progress bar?
1·11 days agoI have found the wavy bar to be both aesthetically displeasing and functionally worse. I have a harder time understanding where I am in a song or podcast and feel like changing that position is harder since the position doesn’t visually track with my finger directly. Very frustrating all around.
As someone else said, it would be a cute thing for a single app, but it should not have been made a part of the android design language.
finalarbiter@lemmy.dbzer0.comto
Ask Lemmy@lemmy.world•Would a VTOL design like this actually work?
0·1 month agoWithout going into the aerodynamics, which plenty of others have gone into, the main problems I see are:
- The structural integrity of the wings is effectively kneecapped by those 2 rotors. There’s almost no material remaining where the wings meet the body and there’s a lot of force that needs to transfer through that area.
- Unless the center of gravity is within the triangle defined by the rotors, you’re going to have a really bad time trying to control that thing during vertical flight.
- Where would all the fuel and drivetrain for 4 props (which all take up significant space) live? There is almost certainly minimal room for any sort of cargo or payload.
- Why would you want a “thick unitary” frame (I’m assuming you mean unibody here)? We put thin skin with a supporting skeleton on aircraft to reduce the weight of the craft itself without sacrificing too much rigidity, which makes more weight available for fuel and/or cargo.
Is this a generated image? In addition to the font being the one that generated images tend to use, there’s some callouts here that also just don’t make sense: the double “pure one-piece static frame” and “thick, unitary body frame” callouts are, I think, saying the same thing in two unintuitive ways, and along with the “long clean wings” callout, none of them really have anything to do with the design concept here. Additionally, you’ve repeated the “maximum efficiency winged vtol configuration” and “cheapest minimalist one-piece construction” notes on the side, neither of which are necessarily true or provable from first principles based on the design- quite the opposite, if anything.
Probably because those are 2 different things?