A 59.5-kg runner has a speed of 3.40 m/s at one instant during a long-distance event. (a) What is the runner's kinetic energy at

Question

A 59.5-kg runner has a speed of 3.40 m/s at one instant during a long-distance event.
(a) What is the runner's kinetic energy at this instant?
(b) If he doubles his speed to reach the finish line, by what factor does his kinetic energy change?

Kunduz · Accepted Answer

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