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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


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    Science Advisor

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


    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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