Posted by Taylor on .
An elevator lifts a total mass of 1.1 x 10^3 kg, a distance of 40 m in 12.5s. How much power does the elevator demonstrate?

Physics 
drwls,
Power = M g H / t
= 1100* 9.8*40/12.5 watts
= 34,500 W
= 46 Horsepower