A question about liquid pressere

  • Thread starter Thread starter torukojin
  • Start date Start date
  • Tags Tags
    Liquid
AI Thread Summary
The discussion revolves around confusion regarding the phrasing of questions about liquid pressure in a physics context. The initial inquiry about "high under pressure" lacks clarity, leaving readers uncertain whether it refers to water or ambient air pressure. Additionally, the concept of "normal pressure" is deemed vague without proper context. The source of these questions is identified as Vimana physics, which appears to have poorly translated material, complicating understanding for both native and non-native speakers. Overall, the thread highlights the need for clearer communication in educational resources.
torukojin
Messages
5
Reaction score
0
Member warned that the template must not be deleted, and some effort must be shown
1. please help me with the following two questions and explain it to me like I am a 15 years old dummy, thanks in advance
460.jpg
461.jpg
 

Attachments

  • 460.jpg
    460.jpg
    25.4 KB · Views: 748
  • 461.jpg
    461.jpg
    25.7 KB · Views: 646
Physics news on Phys.org
The question "Which water jet can be expected at high under pressure?" does not appear to have been written by a native English speaker. It does not make sense. Are we to assume that the water is under high pressure? Or that the ambient air is under high pressure? Is "under pressure" supposed to mean "underpressure" which would likely be a lower-than-ambient pressure.

The question about normal pressure is even less sensible. How are we expected to know what is normal without context?
 
  • Like
Likes CWatters
Thanks man for the explanation.
These are from Vimana physics a german based learning set which is a preparation for DLR (by lutfansa )TEST for pilot candidates.they must have used google translator or sth.even you can t understand as a native speaker let alone ı m a foreigner. I might as well die
Thnks for the reply anyways
 
Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
Back
Top