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Using energy considerations, calculate the average force (in N) a 61.0 kg sprinter exerts backward on the track to acceierate from 2.00 to 700 m]:

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Using energy considerations, calculate the average force (in N) a 61.0 kg sprinter exerts backward on the track to acceierate from 2.00 to 700 m]: in a distance of 25.0 m, if he encounters a headwind that exerts an average force of 30.0 N against him. (Enter a number.) N

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