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Homework Help: Linear Momentum & Collisions

  1. Dec 10, 2007 #1
    A .45kg piece of putty is dropped from a height of 2.5m above a flat surface. When it hits the surface, the putty comes to a rest in .30s. What is the average force exerted on the putty by the surface?



  2. jcsd
  3. Dec 10, 2007 #2

    Doc Al

    User Avatar

    Staff: Mentor


    Hint: Consider the impulse delivered by surface.
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