Two girls, each of weight 500 N climb up a rope through a height of 6 m We name - Science - Work and Energy

Question

Two girls, each of weight 500 N climb up a rope through a height of
6 m We name one of
the girls A and the other B Girl A takes 20 s while B takes 50 s to
accomplish this task
Which girl expends more power?

Siddharth Shankar Singh · Accepted Answer

Solution:
Power,
P=mght=Wht    W=mgSo, power expends by girl A:PA=WAhtA =500×620=150 WPower expends by girl B:PB=WBhtB =500×650=60 W⇒PA>PB
Hence, girl B expends more power

Two girls, each of weight 500 N climb up a rope through a height of 6 m. We name one of the girls A and the other B. Girl A takes 20 s while B takes 50 s to accomplish this task. Which girl expends more power?

Two girls, each of weight 500 N climb up a rope through a height of 6 m. We name one of
the girls A and the other B. Girl A takes 20 s while B takes 50 s to accomplish this task.
Which girl expends more power?