Athlete A climbs a flight of stairs doing 18 kJ of work in 3 min

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Athlete A climbs a flight of stairs doing 18 kJ of work in 3 min. Athlete B climbs a similar flight doing 12 kJ of work in 2 min. Calculate the average power developed by each athlete and state who is more powerful. (Give your answers in watts.)

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