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Question in mechanics (Stuck in Section B)

  1. Jul 21, 2015 #1
    1. The problem statement, all variables and given/known data
    I solved the first section.
    The second section true I think.
    I solved but I want you to tell me that .
    And the other sections that I do not already know how to solve them, if someone can target me?

    2. Relevant equations
    in the poto 2-5.
    but 5 and 4 less relevant that the others .

    3. The attempt at a solution
    at section 2 Conservation of momentum .
    I have doubts about the little mass to be considered
     

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  3. Jul 21, 2015 #2

    andrevdh

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    Hint: The bead accelerates along the "rainbow" portion.
     
  4. Jul 21, 2015 #3
    It's does not help me so mach.
    I do not know if you refer to the circle or do simple momentum conservation.
     
  5. Jul 21, 2015 #4
    It's does not help me so mach.
    I do not know if you refer to the circle or do simple momentum conservation.
     
  6. Jul 21, 2015 #5

    haruspex

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    Please post your solution and working. Use only the symbolic names given (m, M etc.); please do not substitute any numerical values.
     
  7. Jul 22, 2015 #6

    andrevdh

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    So do you need help with question number 3?
    If you want to know if your answers for 1 and 2 is correct you need to post your solution here.
     
    Last edited: Jul 22, 2015
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