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Homework Help: Incline plane with pulley problem

  1. Dec 3, 2008 #1


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    1. The problem statement, all variables and given/known data

    The 20 kg mass is free to slide down an incline of 45º. The
    pulley is massless and the 20 kg mass is connected to a 5 kg
    mass as shown. Initially the string connecting the 20 kg mass
    to the other is vertical. If the system is released from rest.

    http://img518.imageshack.us/img518/5959/67279769jm4.png [Broken]

    (a) Find the speed of the 5 kg mass when 20 kg mass has moved to
    position “B” as shown in diagram if the incline was smooth.

    2. Relevant equations

    3. The attempt at a solution

    Ive tried a lot of methods i'm just lost, any help would be great!

    Last edited by a moderator: May 3, 2017
  2. jcsd
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