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Homework Help: Mechanical Energy

  1. Mar 14, 2013 #1
    I have a quick question:

    does a block that has initial velocity from start have any potential energy on a flat surface (not on an angle or anything just a flat horizontal surface) ?

    I was thinking no because it has no energy stored and all of it is kinetic, because it is in motion?
  2. jcsd
  3. Mar 14, 2013 #2


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    No, it doesn't. Unless it's attached to something else that can store potential energy, like a spring or something. Certainly not in gravitational.
  4. Mar 15, 2013 #3
    I agree and also unless its atached to somehig elastic then it would have elastic potential energy.
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