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Vectors triangle

  1. Nov 16, 2014 #1
    I'm having my semester test tomorrow, and I got this task from my teacher to do before the semester test.
    :
    By decomposition of forces apply these formulas for a right triangle:

    21difly.png

    Task1:

    An iceberg floats with the stream and wind. The power comes straight from the north with speed 3m / s. Draw this vector where the resulting speed of the iceberg to come forward as a vector. 1 cm shall be equal to 1 m / s. Calculate how large the resulting speed is using geometry or trigeometri.


    Would be very happy if anyone could help me with this, thank you very much!!


    my attempt:


    to the calculate resulting speed:

    2ztip2a.png

    How is this? and how do i draw this as a vector???
     
  2. jcsd
  3. Nov 16, 2014 #2

    mfb

    User Avatar
    2016 Award

    Staff: Mentor

    There is some information missing, and the problem statement has a weird grammar.
    Please post the full, exact problem statement, or try to find a better translation if the original is not English.

    In the same way the triangle is drawn.
     
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