AbdurrahmanH65983 AbdurrahmanH65983

03-11-2022
Physics

contestada

A machine raises an object of weight 1500 N through a distance of 5m. What is its efficiency if the energy input is 15 000 J?

Respuesta :

TafariU608406 TafariU608406

03-11-2022

We have:

W = weight = 1500 N

D = distance = 5 m

Energy input = 15000 J

Apply:

Efficiency= useful output energy / input energy

Work = weight x distance = 1500 N x 5 m = 7500 J (useful output energy )

Efficiency = 7500 J / 15000 J = 0.5 or 50%

Answer Link

Otras preguntas

could you tell me what is sputnik?

Which is the correct solution set for 4x^2 +4x -3 = 0? (1) {2,-3}(2) {1/2, -3} (3) {1,2}(4) {1/2, -3/2}

At Jones College, there are a total of 100 students. If 30 of the students have cars on campus, and 50 have bicycles, and 20 have both cars and bicycles, then h

could you tell me what is sputnik?

simplify p8/p2can you help me with this question...anyonnnneee...????

How many people could read in France in 2000, 2001, 2002, 2013?

why does the same side of the moon always face the earth?

What are some behavioral adaptations for a porcupines?

can we store electricity from lightning?

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