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

What cruel action did macbeth order to insure his status

what is the common name for calcium silicate?

could you tell me what is a mutagen?

The first land battle of the civil war took place near ________, Virginia, on july _ _, 18_ _At this battle, the union army ___________ the confederate army.wha

Ho does differentiation change an embryo as it develops

Binary equivalent of decimal number 170

Explain 2 different ways to find the greatest common factor of 15x2y3 and 24x4y2 .

Which object would best be identified by a periodic Doppler shift in a star's spectrum along with a dip in the stars light intensity? a black hole a nebula a co

What is nth term for 0 6 24 54 96?

If x= (a^2)/b, which situation would always double the value of x? (1) Doubling the value of a(2) Halving the value of a(3) Doubling the value of b(4) Halving t