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Relative Velocity (Two-Demensional Motion and Vectors)-hw help!

  1. Sep 22, 2008 #1
    1. The problem statement, all variables and given/known data
    George V Coast in Antartica is the windiest place on earth. Wind speeds there can reach 300 km/h. If a reasearch plane flies against the wind with a speed of 450 km/h relative to the wind, how long does it take the plane to fly between two reasearch stations that are 250 km apart?


    2. Relevant equations
    It says in our notes we should be using the equation
    Vac=Vab+Vbc



    3. The attempt at a solution
    I don't know what the wind speed is relative to. Also the whole finding time thing is totally throwing me off, because there is no place for time in the equation. I just did a few problems just like this without time in it, and had no problem. But this problem, and the rest of them on my worksheet all use time, and I don't see how that fits into the equation I gave above.
     
  2. jcsd
  3. Sep 22, 2008 #2

    dlgoff

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    Maybe there are other equations. What does velocity mean? Doesn't it involve time?
     
  4. Sep 22, 2008 #3
    Thats true. Although it will make the problem a lot more complicated, I could probably try to solve it now.

    More help is needed though =]
     
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