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Spring energy problem at an incline with friction

  1. Nov 12, 2015 #1
    1. The problem statement, all variables and given/known data
    IcfLBX1.jpg

    2. Relevant equations
    Et = Ek + Eg + Ee

    3. The attempt at a solution
    Top:

    Et=mgh+1/2k1 Δx12 +1/2k2Δx22

    196h+400+600 = ET

    Bottom:
    Et=1/2k1Δx22+1/2k2Δx22

    400+600=1000

    ...and that's when I realized I must have done something wrong. Sorry, i'm kind of bad at this stuff. Please help
     
  2. jcsd
  3. Nov 12, 2015 #2

    haruspex

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    Why do you think you have done something wrong?
    h, I assume, is the distance the mass falls. What is the relationship between h and x2?
     
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