- #1
Mar17
- 3
- 0
Homework Statement
what is the average power output of an engine lifts a 250kg mass a distance of 30.0m in 20.0s?
Homework Equations
Ek= (1/2)(m)(v^2)
Ep=mgh
Ew=fnet x distance
Es= (1/2)kx^2
The Attempt at a Solution
Ep+Ek=f x d
(.5)(200)(3)^2 + (200)(9.81)(5)= fx5.00
900+9810/5.00=f
f=2142N