« previous next »

Author Question: A Carnot engine is operated as a refrigerator, taking in 18. J of heat every second and expelling ... (Read 125 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jul 27, 2018
A Carnot engine is operated as a refrigerator, taking in 18. J of heat every second and expelling 20. J into a 23.C room. What is the temperature inside the refrigerator?
 
  A) 300. K
  B) 15C
  C) -15C
  D) -6.6C
  E) 3.0C

Question 2

In a double-slit experiment, it is observed that the distance between adjacent maxima on a remote screen is 1 cm. What happens to the distance between adjacent maxima when the slit separation is cut in half?
 
  A) It increases to 2 cm.
  B) It increases to 4 cm.
  C) It decreases to 0.5 cm.
  D) It decreases to 0.25 cm.
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

A pet dog taking part in Christmas traditions A pet dog taking part in Christmas traditions
Taking a Patient’s Axillary Temperature Taking a Patient’s Axillary Temperature
Sphygmomanometry. Photograph of a physician taking blood pressure readings with the use of a sphygmo Sphygmomanometry. Photograph of a physician taking blood pressure readings with the use of a sphygmo
An engine will not run if the air–fuel mixture is either too rich or too lean. An engine will not run if the air–fuel mixture is either too rich or too lean.
Stronger threads are created by cold rolling a heat-treated bolt blank instead of cutting the ... Stronger threads are created by cold rolling a heat-treated bolt blank instead of cutting the ...
A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ... A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ...
Video: Hormonal regulation of blood pressure - RAA system

For a complete list of videos, visit our video library