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physic

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a ball of mass 1oog falls from a height of 5m onto a floor and rebounds to a height of 3m . what energy is lost as a result of the impact on the floor ?

  • physic - ,

    PE = mgh

    since the final h is 60% of the initial h, 40% of the energy was lost.

    For the actual amount, plug in the values.

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