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Converted from potential energy to kinetic energy during the fall, then a small amount of energy is converted into sound and pretty much everything else is converted to heat.

If the floor was soft (carpet for example) there would be a small amount of energy converted back to potential energy as the fibres were compressed and then this would be converted into kinetic energy and the cycle would repeat until equilibrium was attained.

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11y ago
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Q: What happens to the potential engrgy of a bookas it dops from a desk to a desk to the floor?
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