PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy
Problem
Two students, A and B, lift identical school bags of weight 200N vertically through a height of 2m. Student A takes 2s while student B takes 4s. Which statement about their average powers is correct?
(a) A’s average power is four times that of B
(b) A’s average power is half that of B
(c) A’s average power is twice that of B
(d) A’s average power equals that of B