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 best describes the relationship between the United States and the Philippines at the start of the 20th century? a. The United States dec

Can we see or feel energy?

Canada has a population. That is about 1/10 as large as the United States. If Canada's population is about 32 million, about how many people live in the United

6. Describe the effects of air raids and bombings on London. What did people do?

The state of matter that keeps its shape and volume when it is placed in a different container

Whats an Inciting Incident

On D-Day, the Allies invaded what German stronghold? a. Southern Italy b. Northern France c. Northern Africa d. Southern Russia

The ratio of boys to girls in the 9th grade is 5 to 6. There are 312 girls. How many boys are there?

Describe the process you would use to find the solution to the problem 3 1/4 1 1/3− . Express your answer numerically and with a graphical representation.

Which city in the United States was the first to celebrate Labor Day? Atlanta, Ga. Chicago, Il. San Fransisco, Ca. New York City, NY