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2 Dimensional Motion

  1. Feb 7, 2010 #1
    1. The problem statement, all variables and given/known data
    A sailboat is traveling east at 5.0m/s. A sudden gust of wind gives the boat an acceleration a =(0.80m/s^2) (40 north of east).



    2. Relevant equations
    What is the boat's speed 6\;s later when the gust subsides?

    I know the answer is 9.21m/s, but I am having difficulty breaking down the acceleration into its components. How would you start this problem and do I need to find Ax and Ay or am i going about this the wrong way.



    3. The attempt at a solution

    So far I have
    Vx0= 5m/s
    Vy0= 0m/s
    t=6s
    Ax=?
    Ay=?
    and Think the equation I need to use is Vx= Vx0+Axt then do the same for Y
    and combine the two .
     
  2. jcsd
  3. Feb 7, 2010 #2
    Okay I figure it out i was doing it right but when it cam e to combining the two components i was just adding them instead of finding the magnitude for velocity. Which involve taking the sqaure root of the squares of the components.
     
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