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  1. ...1/2 mv^2 = 1/2*50*23.6^2 = 13,924 J Spring potential energy: SPE = 1/2 k x^2 ----> 13,924 = 1/2*1820*x^2 Rearranging gives...

    1 Answers · Science & Mathematics · 31/10/2011

  2. ... = kx = 1410x 15.5 = 1410x x = 15.5/1410 = 0.0110 m = 1.10 cm ANS SPE = 1/2kx² = (0.5)(1410)(4.01E-2)² = 1.13 J ANS...

    1 Answers · Science & Mathematics · 04/11/2015

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