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Homework Help: Multiple Tracking

  1. Sep 5, 2011 #1
    1. The problem statement, all variables and given/known data

    SLfdv.jpg

    2. Relevant equations

    LiNsu.jpg

    3. The attempt at a solution

    AeBeT.jpg

    But the correct answer is 1227 ft/s^2.

    Thanks.
     
  2. jcsd
  3. Sep 5, 2011 #2

    SteamKing

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    Check your units for r2.
     
  4. Sep 6, 2011 #3
    Thank you. I was able to find part a) and r1. However, I was unable to find r^.. in part b). This is what I have so far:

    bMGeW.jpg

    I don't know how to integrate the acceleration vector to velocity vector it seems.
     
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