Physics, 03.05.2021 19:20, Carlo1003

A girl of mass 40kg climbs a rope 8m long at a constant speed in 15s . WhT power does she expand against gravitational forces during the climbs ? I saw that the answer is 213.33
But the Dr. said it’s -213.33 according to ( final h- initial h)
So ... I don’t know what is the right answer
Plz help

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A girl of mass 40kg climbs a rope 8m long at a constant speed in 15s . WhT power does she expand aga...