problem07_72

University Physics with Modern Physics with Mastering Physics (11th Edition)

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7.72: Following the hint, the force constant k is found from kd mg w = = , or d mg k = . When the fish falls from rest, its gravitational potential energy decreases by
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Unformatted text preview: mgy ; this becomes the potential energy of the spring, which is 2 2 1 2 2 1 y ky d mg = . Equating these, . 2 or , 2 1 2 d y mgy y d mg = =...
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