Question: How fast must a 2 . 5 7 1 0 ^ 3 kg elephant move to have the same kinetic energy as a 7 8

How fast must a 2.5710^3kg elephant move to have the same kinetic energy as a 78.0kg sprinter running at 12.0m/s? To solve this problem it will be necessary to first determine the kinetic energy of the sprinter. What is the kinetic energy of the sprinter?

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