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

Which of the following is not a brass instrument? A.) clarinet B.) trombone C.) tuba D.) trumpet

give an appropriate and logical answer to the following questions möchtest du mit mir ins kino gehen. nein, ich sehe nicht gern fern

Given P(A) = 0.51, P(B) = 0.79, and P(A or B) = 0.66, are events A and B mutually exclusive?

Based on its etymology, what is the most likely meaning of the word astrolabe?

Expand 96•06 using powers

Find the area of the shaded regions

Write: What comment is the author making about scientific advancements like Newtri?

Help me with this question please 9th grade algebra 1, I'm giving 25 points

Which phase of the moon occurs after a waxing gibbous?.

A pizza shop has available toppings of anchovies, bacon, mushrooms, onions, sausage and olives. How many different ways can a pizza be made with 3 toppings?