This topic contains a solution. Click here to go to the answer

Author Question: A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The ... (Read 137 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The amount of heat expelled in each cycle is
 a. 1000 J
  b. 1500 J
  c. 2000 J
  d. 500 J
  e. 3000 J

Question 2

A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The efficiency of the engine is
 a. 80.
  b. 40.
  c. 60.
  d. 20.
  e. 50.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bigfoot1984

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

b

Answer to Question 2

b




WWatsford

  • Member
  • Posts: 539
Reply 2 on: Jul 28, 2018
Excellent


peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

For a complete list of videos, visit our video library