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Introductory Physics Homework Help
Potential energy turned into kinetic
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[QUOTE="Orodruin, post: 4857005, member: 510075"] Why would the kinetic energy equal the gravitational potential? There is nothing saying this has to be the case (furthermore, the potential is only defined up to an arbitrary constant) and in particular it does not make sense in your case since the potential is strictly negative and kinetic energy non negative. You can go one of two ways: 1. Write down the force equation and solve for r as a function of time. 2. Use conservation of energy (this will save you one integration) [/QUOTE]
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Potential energy turned into kinetic
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