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29 April, 13:14

an 80kg mountaineer climbs a 3000m mountain in 10h. What is the average power output during the climb

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  1. 29 April, 13:36
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    70 W

    Explanation:

    Power = work / time

    P = mgh / t

    P = (80 kg) (9.8 m/s²) (3000 m) / (36000 s)

    P = 65.3 W

    Rounding to one significant figure, the average power output is 70 W.
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