Author Question: A Carnot engine is operated as a refrigerator, taking in 18. J of heat every second and expelling ... (Read 124 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
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.


ally

  • Sr. Member
  • ****
  • Posts: 331
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
Both answers were spot on, thank you once again



ally

  • Sr. Member
  • ****
  • Posts: 331

 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

For a complete list of videos, visit our video library