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Acceleration vector of an object (answer check)

  1. Jan 16, 2014 #1
    1. The problem statement, all variables and given/known data

    The position of an object as a function of time is r→ = (3.2t + 1.8t^2)i + (1.7t - 2.4t^2)j
    Find its acceleration vector.

    3. The attempt at a solution
    Capture.JPG
     
  2. jcsd
  3. Jan 16, 2014 #2

    tiny-tim

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    hi negation! :smile:

    (please type your answer directly into the post in future)

    if that's i and j (why did you write φ ? :confused:), then that looks ok
     
  4. Jan 16, 2014 #3
    Hi time,

    I'm not acquainted with the use of Latex, although, I'm trying to pick up the use of Latex through member's post by looking at their codes.

    Mathematica uses φ as j-hat.

    Thanks for checking!
     
  5. Jan 16, 2014 #4

    tiny-tim

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    ahh! :smile:

    (and for latex on this forum, just type two #s before and after :wink:)

    EDIT: eg ##\hat{j}## :wink:
     
    Last edited: Jan 16, 2014
  6. Jan 16, 2014 #5
    edit:
     
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