PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Hoist X lifts a 100kg load vertically through 5m in 5s. Hoist Y lifts the same load through the same height in 10s. Which statement correctly compares the power of Hoist Y with that of Hoist X?
(a) Power of Y is the same as that of X
(b) Power of Y is double that of X
(c) Power of Y is half of X
(d) Power of Y is four times that of X