abbytristan4368 abbytristan4368

02-01-2018
Physics

contestada

A heat engine exhausts 8900 j of heat while performing 2800 j of useful work. part a what is the efficiency of this engine?

Respuesta :

samuraijack samuraijack

02-01-2018

Given: Heat Qout means useful work = 2800 J

Heat Qin = 8900 J

Required; Efficiency = ?

Formula: Efficiency = Qout/Qin = x 100%

= 2800 J/8900 J = 0.3146 X 100 %

Efficiency = 31.46%

Answer Link

Otras preguntas

the organelle that is composed of a phospholipid bilayer and surrounds the cytoplasm of the cell and contains the cell is called the a. cell wall b. mitochondri

I need help with number two

identify what the Building blocks of life are.what jobs do these building blocks have?

what is true for urochordates

1. Which word best completes the sentence? _______chica es muy reservada. El La Ella Él 2. Which word best completes the sentence? Carolina es _______ ami

Suppose n represents an even number for a simplified expression that represents the product of the next two even numbers

a resident should be offered a bedpan, urinal, or trip to the bathroom about ______ minutes after fluids are consumed. 10 30 45 60

Adrian is 5 years less than half of his brothers josh. If adrian is 9 , how old is josh

Using the numbers 1,2,3,4 create the largest possible product and the smallest possible product. How does the order of the digits affect the products?

Solve the equation -3=7+z/2