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Check spring equation

  1. Jul 14, 2008 #1
    1. The problem statement, all variables and given/known data

    Ok, I know it's kind of simple but can someone please check if it's correct?

    2. Relevant equations



    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Jul 14, 2008 #2

    Kurdt

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    Re: Spring

    There is no need to include gravitational potential in the first part. Once the mass hits the sprig all of the kinetic energy will turn into potential energy stored in the spring.
     
  4. Jul 14, 2008 #3
    Re: Spring

    Yeah, but it goes down a bit forwarder, I mean until it reaches d and then all the energy is in the spring, right?
     
  5. Jul 14, 2008 #4

    Kurdt

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    Re: Spring

    Yes sorry your're right, it all looks fine.
     
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