an athlete run 2 round of a circular track of radius 45 metre by exerting a force of 200 Newton acts against the friction due to ground. find the work done by him and justify your answer
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athlete run 2 round of a circular track of radius 45 metre by exerting a force of 200 Newton acts against the friction due to ground. find the work an an athlete run 2 round of a circular track of radius 45 metre by exerting a force of an athlete run 2 round of a circular track of radius 45 metre by exerting a force of 200 Newton acts against the friction due to ground. find the work done by him and justify your answer Newton acts against the friction due to ground. find the work done by him and justify your answer run 2 round of a circular track of radius 45 metre by exerting a force of 200 Newton acts against the friction due to ground. find the work done by him and justify your answer by him and justify your answer
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