Author Question: During each cycle of operation, the thermal energy input to a heat engine is 400 J and the exhaust ... (Read 116 times)

B

  • Hero Member
  • *****
  • Posts: 570
During each cycle of operation, the thermal energy input to a heat engine is 400 J and the exhaust is 300 J. This engine's efficiency is
 
  A) 50. B) 0. C) 75. D) 25. E) 100.

Question 2

According to the philosophical ideas associated with quantum theory,
 
  A) science describes the objective universe, uninfluenced by humans.
  B) microscopic particles form the fundamental reality.
  C) microscopic particles do not have precise positions or velocities.
  D) All of the above.
  E) None of the above.



brittiany.barnes

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

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

For a complete list of videos, visit our video library