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QUESTION
A 67.5-kg runner has a speed of 4.30 m/s at one instant during a long-distance event. (a) What is the runner's kinetic energy at this instant?
A 67.5-kg runner has a speed of 4.30 m/s at one instant during a long-distance event. (a) What is the runner's kinetic energy at this instant?KEi = _______J
A 67.5-kg runner has a speed of 4.30 m/s at one instant during a long-distance event.(a) What is the runner's kinetic energy at this instant?KEi = _______J SolutionKE = 0.5*67.5*4.32 = 624.04 J