SOLUTION: How much work is done when a moving 200 kg horse changes speed from 2 m/s to 4 m/s?

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Question 1198897: How much work is done when a moving 200 kg horse changes speed from 2 m/s to 4 m/s?
Answer by ikleyn(52797) About Me  (Show Source):
You can put this solution on YOUR website!
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Find the difference of kinetic energies from the end to the beginning.