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Heat and Friction

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  1. Feb 11, 2016 #1
    1. The problem statement, all variables and given/known data
    Rub the two books together for a long time, so that the thermometer goes all the way up to the top and all the extra molecules fly off the top book. Keep the books touching, but stop rubbing. The temperature will go down. How can you tell? List two different ways.

    2. Relevant equations


    3. The attempt at a solution
     
  2. jcsd
  3. Feb 11, 2016 #2
    I have no idea what the question is. Would you mind elaborating?
     
  4. Feb 11, 2016 #3
    when you rub two objects together heat is generated and when you stop heat is lost. what is the reason for this?
     
  5. Feb 11, 2016 #4
    when you rub two objects together heat is generated and when you stop heat is lost. what is the reason for this?
     
  6. Feb 12, 2016 #5

    billy_joule

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    Science Advisor

    What do you think? What research have you done?

    Are you familiar with the law of conservation of energy? What about Newton law of cooling?
     
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