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Hydrodynamics 1: Drag

Hydrodynamics 1: Drag
5問 • 2年前
  • Elmaz Okicic
  • 通報

    問題一覧

  • 1

    Wave drag is:

    all the above

  • 2

    The wave that forms at the head of a swimmer is commoly called the:

    bow wave

  • 3

    While its still not clear which factors influence wave drag the most, it is likely that the follwoing will factor striongly (choose the most correct answer):

    swimming speed, body roll, vertical position of the swimmer in the water

  • 4

    One benefit of the small-aplitude flutter kick, which is used by crawl-stroke swimmers, is that:

    increases turbulence and thus minimises stern wave formation

  • 5

    Increasing yaw of the body in swimming will likely:

    increase form drag and reduce swimming performance

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    問題一覧

  • 1

    Wave drag is:

    all the above

  • 2

    The wave that forms at the head of a swimmer is commoly called the:

    bow wave

  • 3

    While its still not clear which factors influence wave drag the most, it is likely that the follwoing will factor striongly (choose the most correct answer):

    swimming speed, body roll, vertical position of the swimmer in the water

  • 4

    One benefit of the small-aplitude flutter kick, which is used by crawl-stroke swimmers, is that:

    increases turbulence and thus minimises stern wave formation

  • 5

    Increasing yaw of the body in swimming will likely:

    increase form drag and reduce swimming performance