13. Compare the objects based on their power

Two girls, each of weight 250 $N$ climb up a rope through a height of 8.7 $m$. We name one of the girls A and the other B. Girl A takes 33 $s$ while B takes 52 $s$ to accomplish this task. What is the power expended by each girl?

 

Answer:

 

Power expended by girl A $=$  $W$

 

Power expended by girl B $=$  $W$