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Vector Analysis using Graphical and Analytical

  1. Jan 1, 2007 #1
    1.a A hot air balloon drifts 12km in a direction 70 degrees South of East. An abrupt charge in air movement then comes the balloon 8.0km in a direction 40 degrees South of West. Estimate the record displacement from the starting position after the two drifts. (magnitude & displacement)

    1.b A car travels 200 km west, 100km at an angle 60 degrees South of East. What is the net displacement of the car?




    2. I will use graphical and for the analytical method, i will use trigonometric function.



    3. trigonometric functions-sine, cosine & tangent


    Please help me on how to graph it and how to solve for the analytical method. Thanks!
     
  2. jcsd
  3. Jan 1, 2007 #2

    Hootenanny

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    Hi zbam and welcome to the forums,

    Do you have no idea at all of how to start these problems?
     
  4. Jan 1, 2007 #3
    thanks, I have no idea, the graphical method is easy but I forgot it.
     
  5. Jan 1, 2007 #4

    Hootenanny

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    Okay, the graphical method and the analytical method are very similar (except you need to be more accurate in you sketch for the graphical method). Start by drawing a diagram of what is happening, draw the two drifts as vectors, noting their magnitude as direction.
     
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