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How do you calculate resultant velocity?

  1. Mar 30, 2013 #1
    Say I have a boat moving at 10 m/s south (160 degrees) ina river that is flowing at 3 m/s east (90 degrees)

    How would you calculate the resultant velocity in this instance?
  2. jcsd
  3. Mar 30, 2013 #2


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    Gold Member
    2017 Award

    Do you know about trigonometry and vectors? (hint: draw the velocities as vectors)

    (by the way, are you sure you don't mean 180 degrees when you said "south"?)
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