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A 67.5-kg sprinter accelerates from 1.95 m/s to 8.25 m/s over a distance of 24 m. Calculate the average force, in newtons, that the sprinter

A 67.5-kg sprinter accelerates from 1.95 m/s to 8.25 m/s over a distance of 24 m. Calculate the average force, in newtons, that the sprinter exerts backward on the track, if he encounters a headwind that exerts an average force of 32 N against him.

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