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Belt friction. help please

  1. Dec 4, 2011 #1
    1. The problem statement, all variables and given/known data


    find the minimum number of turns the rope should be wound around the cylinder to maintain equilibrium of the weights the coefficient of friction is 0.20 and the mass1= 80kg and mass2-2kg.
     
  2. jcsd
  3. Dec 4, 2011 #2
    You must attempt the problem for anyone to help. What are the applicable equations?
     
  4. Dec 4, 2011 #3
    by using this formula how can i get the angle/B?

    T2=T1 e^(mu*B)
     
  5. Dec 4, 2011 #4
    by using this formula how can i get the angle/B?

    T2=T1 e^(mu*B)
     
  6. Dec 4, 2011 #5
    Solve the equation for B.
     
  7. Dec 4, 2011 #6
    how?

    can u please teach me..?
     
  8. Dec 4, 2011 #7
    Try this:



    How would you solve e^x = 2?
     
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