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Net force

  1. Jan 21, 2007 #1
    1. The problem statement, all variables and given/known data
    A net force of magnitude 36N gives mass m1 an accerlation of magnitude 4.0m/s2. The same net force gives another accleration of 12m/s2. What magnitude of accleration will this net force give to the entire mass if m1 and m2 are fastened together.


    2. Relevant equations
    Fnet=ma


    3. The attempt at a solution
    m1=fnet/a m2=36N/12ms2
    =36N/4.0ms2 m2=3kg
    =8kg

    m1+m2=12kg

    Fnet=ma
    a?
    a=fnet/m
    36N/12Kg
    3ms2
     
  2. jcsd
  3. Jan 21, 2007 #2

    cristo

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    Staff Emeritus
    Science Advisor

    That's correct.
     
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