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

6624 prime factorization exponential nation

According to researchers, a person who smokes cigarettes is 22 times more likely to use what drug?a) Cocaineb) Marijuanac) Alcohold) Prescription medications

My cousin has 3 children, ages 2, 5, & 8. Compute the mean, range and standard deviation for the children. My niece also has 3 children. Their ages are 10,

how were the goals of the pacific and european theater the same? how were they different?

nnjnjjknjjkkkkkkkkkkkkkkkkkkkkkkkkk

simplify the expression 3a+7+(3+a)

Sub-branch that addresses the management and technical issues of the development of software systems called:a. Software Architectureb. Software Engineeringc. Sy

There is a bag of 50 marbles. Andre takes out a marble, records its color, and puts it back in. In 4 trials, he gets a green marble 1 time. Jada takes out a mar

Divide ₹200 in the ratio 2:3

The equation of a line is y=2/3x+1. Find the equation of a parallel line that goes through the point (6, 1)