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

Author Question: If two machines have the same first-law efficiency, they must also have the same second-law ... (Read 36 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
If two machines have the same first-law efficiency, they must also have the same second-law efficiency.
 
  What will be an ideal response?

Question 2

Nuclear reactors are bombs waiting to go off.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chjcharjto14

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

Not so. There are differences between the first law and second-law efficiencies.
Not every system with the same first-law efficiency must have the same second-law
efficiency.

Answer to Question 2

Absolutely not. The fissile material is not nearly dense enough, at about 4, to
explode. Bomb-quality uranium has > 90 uranium-235.




waynest

  • Member
  • Posts: 553
Reply 2 on: Jul 28, 2018
Wow, this really help


Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

For a complete list of videos, visit our video library