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Hydrostatic behaviour - water in tube

  1. May 28, 2009 #1
    To moderator - I had mistakenly posted this to the "General Physics" forum and later noticed the note about not posting there - sorry! I hope this is the correct location for posting the following question.

    I am a novice on this site and am trying to find an answer to a question which is: I filled a tube 48" x 1.5" with water, sealing one end and then inverted it - I expected the water to remain due to the vacuum but it did not. Is there a certain ratio of ht. to dia. required to keep the water in the tube? I would appreciate any imput, guidance or direction on this....Thank you!
  2. jcsd
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