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Which one has larger kinetic energy: a 500-kg object moving at 40 m/s or a 1000-kg object moving at 20 m/s? a) The 500-kg object b) The 1000-kg object c) Both have the same kinetic energy d) Cannot be determined with the given information

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Answer:

KE = 1/2 M V^2

(a) will have the higher KE

KE (a) = 1/2 * 500 * 40^2 is the higher of the two listed

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