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What is the speed of the cart?

  1. Jun 21, 2009 #1
    1. The problem statement, all variables and given/known data
    125N of force are required to compress a spring by 1.04m. The spring is now used to launch a 1.49 kg cart across a flat horizontal table. What is the speed of the cart?



    2. Relevant equations



    3. The attempt at a solution
     
    Last edited by a moderator: Mar 7, 2013
  2. jcsd
  3. Jun 21, 2009 #2

    tiny-tim

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    Welcome to PF!

    Hi Walid11! Welcome to PF! :wink:

    you need to use work done and the work-energy theorem …

    Show us how far you get, and where you're stuck, and then we'll know how to help! :smile:
     
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