logansgirl2620 logansgirl2620
  • 01-10-2017
  • Mathematics
contestada

A 20-foot cable hangs from the top of a building that is 50 feet high. if the cable weighs 2 pounds per foot, how much work is done in lifting up the entire cable to the top of the building?

Respuesta :

Dallascowboysmac Dallascowboysmac
  • 06-10-2017
20*2=40
40*50=2000
2000/60=33.33
about 33 hours by lifting by hand
Answer Link

Otras preguntas

Compare victoria Falls to Niagara Falls. Which has the greater potential to generate energy?
what is the standard form of the parabola whose vertex form is Y=-(X-3)^2+11
why did sectional differences grow in the 1820s
Group of representatives who wrote a letter to king George
is skin cancer sex linked
Given ~ and AB = 20, CA = 8, and US = 9, what is ST? Does anyone know?
Earths gravitational pull just got three times stronger! What happens to your weight?
a yogurt cost 35p each how much can be bought with £3?
Is most of Northern Chile dry, mountainous terrain on the map?
how do you think you can use the calorimeter to compare the specific heat capacities of a substance?