Two girls, each of weight 500 \(N\) climb up a rope through a height of 9.8 \(m\). We name one of the girls A and the other B. Girl A takes 25 \(s\) while B takes 50 \(s\) to accomplish this task. What is the power expended by each girl?
Answer:
Power expended by girl A \(=\) \(W\)
Power expended by girl B \(=\) \(W\)