Energy Smart

December 10, 2008

Question about conservation of energy: How is energy conserved if a rock is dropped from the top of a building

Filed under: Energy Conservation — Tags: , , — admin @ 8:29 pm
kmm4864990 asked:


That is, initially the rock has a high potential energy. Then, its energy is converted into kinetic energy as it falls. So i understand energy is merely changing form.

But then it hits the ground. The rock ceases moving at a relative height of zero. Into what form was the enrgy converted? Is it converted into kinetic enrgy that travels through the particles of the ground? Thanks a lot!

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