kerennavarrete18
kerennavarrete18 kerennavarrete18
  • 11-05-2015
  • Physics
contestada

What is the input of energy for a device that provides 50 units of useful energy and has an efficiency of 0.55?

Respuesta :

AL2006
AL2006 AL2006
  • 11-05-2015

If that's the case, then 

                          50 units = 0.55 x the input energy

Divide each side by  0.55 :       

                   50 units/0.55  =  the input energy =

                               90 and 10/11 units


Answer Link

Otras preguntas

There are 9 computers and 72 students. What is the unit rate of students to computers?
What would happen if you didn't have chemical energy on the earth
In much madness is divinest sense what kind of behavior is considered insane? Do you agree with this idea? Explain.
Based on the excerpt and picture above answer the following question: A. What is the significance of the burning of Washington, D.C.? What point were the Briti
What resulted from contact between europe and the americas in the 15 & 16th century
What values of x make the equation x^2+4x−4=0 true? Simplify any radicals
Would a warm gentle breeze be likely to abash a person?
Find the two equations of the tangent to the circle x^2 + y^2 - 4x - 2y - 20=0 which are parallel to the line 4x+3y=10
Can someone help me with 39 and 40?
Does water gain or release energy when evaporated into water vapor?