subject

Physics, 31.01.2020 08:59 cchave9563

Aheat engine has a hot reservoir of 490°c and a cold reservoir of 210°c. what is the efficiency of the engine?

ansver

Answers: 3

Show answers

Another question on Physics

question

Physics, 21.06.2019 14:30

:( asap! list all of the items in the item bank and match the definitions correctly.

Answers: 2

question

Physics, 22.06.2019 05:30

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

Answers: 1

question

Physics, 22.06.2019 07:00

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Answers: 2

question

Physics, 22.06.2019 15:30

What are the north and south poles of a solenoid change with?

Answers: 1

You know the right answer?

Aheat engine has a hot reservoir of 490°c and a cold reservoir of 210°c. what is the efficiency of t...

Questions

question

Mathematics, 19.03.2021 21:00

What is the solution of the equation 1/4 x - 2y = 12, when y = -1? A. X = 4 B. x = 6 C. X = 40 D. X = 48

question

English, 19.03.2021 21:00

"The Norms and Notions of what is just is isn't always justice" In your own words, what is justice?...

question

Mathematics, 19.03.2021 21:00

WHAT IS THE TOTAL SURFACE AREA?? PLEASE HELP ITS MY LAST QUESTION

question

Social Studies, 19.03.2021 21:00

Which country begin the slavery system in the Americas?...

question

History, 19.03.2021 21:00

How did access to more financial resources cause more industrialization?...

question

Biology, 19.03.2021 21:00

half life of plutonium-239 is 24,300 years. if a nuclear bomb released 8kg of this isotope, how many years would pass before the amt is reduced to 1kg...

question

Mathematics, 19.03.2021 21:00

Classify the model as Exponential GROWTH or DECAY. A=1200(.85)6...

question

Mathematics, 19.03.2021 21:00

Plz help A. 38.4 B. 56 C. 63.2 D. 68.6 E. 79.7

question

Biology, 19.03.2021 21:00

Sound travels through substances as energy is transferred from one particle to the next. The diagrams represent the particles of three substances: ai...

question

Mathematics, 19.03.2021 21:00

Which angle is congruent to 2?...

question

Arts, 19.03.2021 21:00

HELP Question 2(Multiple Choice Worth 2 points) Five horizontal, parallel, equidistant lines with black oval with stem on 4th line What is the name of...

question

Mathematics, 19.03.2021 21:00

(Score for Question 3:_of 6 points) 3. A clerk at a pet store kept track of customers who purchased at least one box of animal treats in one week

question

Mathematics, 19.03.2021 21:00

Four identical circles are lined up in a row with no gaps between them such that the diameters for a segment that is 68 centimeters long. What is the...

question

Mathematics, 19.03.2021 21:00

Can I get help with these 2 questions ...

question

Mathematics, 19.03.2021 21:00

Image down below thx option d is in the back it is 9

question

English, 19.03.2021 21:00

How does the section "Life in the wild" contribute to the author's argument in "Excerpt from Marine Mammals in Captivity"? Use two details from the ex...

question

Chemistry, 19.03.2021 21:00

Ethanol in the body is oxidized to acetaldehyde by liver alcohol dehydrogenase (LADH). Other alcohols are also oxidized by LADH. For example, methanol...

question

English, 19.03.2021 21:00

Why does the author include his phrase? "Backs may go threadbare and stomachs may worry along on indifferent filling, but a house will have thi...

question

English, 19.03.2021 21:00

CORPSE HUSBAND What is Corpse Husband's most-streamed song? (Pop Culture Class) When was the song released? What is a notable characteri...

question

Mathematics, 19.03.2021 21:00

GR10 MATH QUESTION HELP PLEASEi accidentally clicked on a) so ignore that!!!

More questions: Physics Another questions

Questions on the website: 13722367