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Venturi Tube Question

  1. Jan 14, 2014 #1
    Hey guys. I can't figure out part 3bii) of this Venturi Tube Question.

    The answer I keep getting is 3.7907E-03 but it should be 3.95E-03. I'm definitely missing something but can't figure out what. I'm out by about 5%, could it just be down to rounding errors?

    Question and my working is shown in the attached pictures.

    Question:
    attachment.php?attachmentid=262177&d=1389478205.jpg

    Attempted Answer:
    attachment.php?attachmentid=262178&d=1389478300.jpg

    Would really appreciate any help. Thanks!
     
  2. jcsd
  3. Jan 14, 2014 #2

    SteamKing

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    What units are you using? Your calculations are not complete unless you indicate your units.
     
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