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Forces on the top of a bullet train

  1. Jun 6, 2015 #1
    Can any one tell me what is the air resistance on the top of a bullet train when it is moving at top speed
     
  2. jcsd
  3. Jun 6, 2015 #2

    billy_joule

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    Science Advisor

    There will be skin friction on the roof surface of the train:

    http://en.wikipedia.org/wiki/Parasitic_drag#Skin_friction

    Is that what you are interested in? I can't see the use of calculating drag for the roof alone... Though, If you make an attempt we can help you solve the problem.
     
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