SAT, 07.12.2021 02:50 KindaSmartPersonn

World class sprinter can accelerate out of the starting blocks with an acceleration that is nearly horizontal and has magnitude 15 m/s². How much horizontal force must a 55-kg sprinter exert on the starting blocks during a start to produce this acceleration? which body exerts the force that propels the sprinter: the blocks or the sprinter herself?.

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