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  • Oct 5, 2012, 12:42 PM
    fais32
    Free physics solver
    If the zero level is a distance 2h3 above the floor, what is the potential energy U of the block on the floor?
  • Oct 5, 2012, 01:09 PM
    ebaines
    PE = mgh, where h is the distance above the reference point. So in this case the block will have a negative value of PE.

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