Question: When starting a foot race, a 70.6 kg sprinter exerts an average force of 684 N backward on the ground for 0.843 s. (a) What

When starting a foot race, a 70.6 kg sprinter exerts an average force of 684 N backward on the ground for 0.843 s. (a) What is his final speed (in m/s)? m/s (b) How far does he travel (in m)? m

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