Kinetic & Potential Energy Video Lessons

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Problem: Imagine a book that is falling from a shelf. At a particular moment during its fall, the book has a kinetic energy of 29 J and a potential energy with respect to the floor of 46 J.If a heavier book fell from the same shelf, would it have the same kinetic energy when it strikes the floor?

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KE = 1/2 mv2 


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Problem Details

Imagine a book that is falling from a shelf. At a particular moment during its fall, the book has a kinetic energy of 29 J and a potential energy with respect to the floor of 46 J.


If a heavier book fell from the same shelf, would it have the same kinetic energy when it strikes the floor?

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