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Doesn't have a clue

  1. Mar 30, 2004 #1
    I need help with two problems for my homework set in my high school physics class.

    A 12 KG mass is attached to a cord that is wrapped around a wheel with a radius of 10.cm, the acceleration of the mass down the frictionless incline is measured to be 2.0 m/s2 Assuming the axle of the wheel is to be frictionless determine

    a. the force in the rope
    b. the moment of inertia of the wheel.
    c. the angular speed of the wheel 2.0 s after it begins rotating, starting from rest.

    A cylindrical 5.00 kg pulley with a radious of .6m is used to lower a 3.0 kg bucket into a well. The bucket starts from rest and falls for 4.0 s.

    a. what is the linear accerleration of the falling bucket
    b. how far does it drop?
    c. what is the angular accerleration of the cylindrical pulley?

    plz i have no clue where to start on these...
     
  2. jcsd
  3. Mar 31, 2004 #2
    yeah, what you said, haha
     
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