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26-04-2017
Physics

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what is the kinetic energy of a 0.135 kg baseball thrown at 40 m/s

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26-04-2017

KE = 1/2 * m * v^2
KE = 1/2 * 0.135 * 40^2
KE = 1/2 * 0.135 * 1600
KE = 108 J

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