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Homework Help: Vector expression

  1. Feb 18, 2007 #1
    how would i write x= (12 m/s)t , y= (2.55 m/s)t-(4.9 m/s^2)t^2 as a fucntion of time using the unit vectors i and j?
     
  2. jcsd
  3. Feb 26, 2007 #2

    Doc Al

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    Staff: Mentor

    Hint: The position is x i + y j
     
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