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Homework Help: Two-Dimensional Motion and Vectors

  1. Mar 20, 2012 #1
    1. The problem statement, all variables and given/known data
    U.S. Highway 212 extends 55km at 37 degrees north of east between Newell and Mud Butte, south Dakota. It then continues for 66 km nearly due east from Mud Butte to Faith, South Dakota. If you drive alongthis part of U.S. Highway 212, what will your total displacement be?

    X1=55(cos37) Y1=55(sin37)
    X2=66(cos0) Y2=66(sin0)
    2. Relevant equations
    d^2=X^2+Y^2


    3. The attempt at a solution
    D=115km
     
  2. jcsd
  3. Mar 20, 2012 #2

    gneill

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    Staff: Mentor

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