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

What is the perimeter of this rectangle?

Why are enclaves or exclaves created? In a short paragraph, give an example to show you understand these two concepts.

what is 0.6666666666 as a fraction

Who were the people that were in the cockpit on 9/11?

A department store sells small boxes in which customers can store nails. The diagram below shows one of the boxes. The diagram is not drawn to scale. 2.54 cm, 1

Find the lengths and determine the measure of the missing angel (x)

How do I find the exact value of tan⁻¹(tan [tex] \frac{4 \pi }{5} [/tex] ) ? I know the answer is negative, but I don't know why the inverse of tan and tan don'

What was the Gag Rule From 1836 to 1844?

Name all the French subject pronouns and what they mean in English. (There are 9 of them.)

Professor Whitney has a sample of lead and a sample of iron. The samples have equal mass. When Whitney heats the samples, the lead reaches a higher temperature