Physics, 05.08.2019 01:10, tania911

A65.0-kg runner has a speed of 5.20 m/s at one instant during a long-distance event. (a) what is the runner's kinetic energy at this instant? (b) how much net work is required to double his speed?
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A65.0-kg runner has a speed of 5.20 m/s at one instant during a long-distance event. (a) what is the...