This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The ... (Read 135 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


WWatsford

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

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Phosphorus cycle in a lake ecosystem. Phosphorus cycle in a lake ecosystem.
Citric Acid Cycle (Kreb's Cycle) Citric Acid Cycle (Kreb's Cycle)
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
The cardiac cycle and an ECG tracing. The cardiac cycle and an ECG tracing.
Excess heat capacity chart Excess heat capacity chart
Life cycle of Giardia. Life cycle of Giardia.
Video: Types of Burns

For a complete list of videos, visit our video library