13. Compare the objects based on their power

Two girls, each of weight 300 \(N\) climb up a rope through a height of 8.2 \(m\). We name one of the girls A and the other B. Girl A takes 29 \(s\) while B takes 51 \(s\) to accomplish this task. What is the power expended by each girl?

 

Answer:

 

Power expended by girl A \(=\)  \(W\)

 

Power expended by girl B \(=\)  \(W\)