Augusteb37 Augusteb37
  • 04-01-2016
  • Physics
contestada

if a system requires 150 j of input work and produces 123 J of output work, whats its effiency

Respuesta :

AL2006
AL2006 AL2006
  • 04-01-2016

The effiency of a machine is

                 (output work or energy) / (input work or energy) .

For the system described in the question, that's

                 (123 J) / (150 J) = 0.82  =  82% .

 
Answer Link

Otras preguntas

What was the first territory that the United States acquired in the Pacific Ocean?
At the battle of Wounded Knee in 1890, US Army officers tried to 1. disarm the Sioux and then capture them. 2. disarm the Sioux but then fired on them. 3. persu
Which statement accurately describes the outer planets? Pluto is one of the outer planets. The outer planets are also called rocky planets. The outer planets ha
When did Iraq attacks Iran?
Amelia makes a Venn diagram to compare the advantages and disadvantages of asexual reproduction and sexual reproduction. Which label belongs in the region marke
What is a limitation of using electron microscopes to view specimens? (4 points) You cannot view transparent specimens because of the microscope's low resolutio
Why did earlier historians consider the medieval period the “Dark Ages”
What does manipulate means
Choose the correct plural form for the following word: La Niña. la niñas los niñas las niñas las niños
1. The first European nation to dominate trade with Asia was who?