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  1. Alfreds9

    Is a motionless liquid-floating object possible?

    I've uploaded it again, hopefully this works now
  2. Alfreds9

    Is a motionless liquid-floating object possible?

    You're right, of course here it is. [Questionable link deleted by moderator. See the image in post 9 instead] Basically just a small-ish floating stand. Thank you
  3. Alfreds9

    Is a motionless liquid-floating object possible?

    Hi Simon, thanks for your reply. Unfortunately it's not a real homework but just a project of mine, so I don't have hints to look upon. Ok I'll look at these.
  4. Alfreds9

    Is a motionless liquid-floating object possible?

    1. Homework Statement Do you think it's possible for an object to be relatively motionless if floating on rippled water surface? Could this be achieved by have it float inside one (or several nested) water/oil-containing containers? 2. Homework Equations ES = - n2(k-m)2 Lucassen's...
  5. Alfreds9

    Calculating air pressure from altitude, RH and temperature?

    I see thank you, maybe I'm mistaken with air density lowered by humidity. However, why is there no measured T rather than resorting to sealevel T and lapse rate?
  6. Alfreds9

    Calculating air pressure from altitude, RH and temperature?

    Homework Statement [/B] This is a practical problem, no homework question. I'd like to determine pressure (and O2 partial pressure) at altitude, yet following a more realistic real-world calc including measured data like relative humidity (RH) and temperature at that altitude, yet all I can...
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