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

Author Question: An ideal reversible heat pump is taking heat from the outside air at -10.0C and discharging it into ... (Read 16 times)

stock

  • Hero Member
  • *****
  • Posts: 573
on: Jul 29, 2018
An ideal reversible heat pump is taking heat from the outside air at -10.0C and discharging it into the house at 18.0C. What is the coefficient of performance of this heat pump?
 
  A) 10.4
  B) 9.44
  C) 0.644
  D) 0.533
  E) 0.0962

Question 2

What is the surface temperature of a star, if its radiation peak occurs at a frequency of 1.06  1015 Hz? (c = 3.00  108 m/s, and the constant in Wien's law is 0.00290 m  K)
 
  A) 17,000 K
  B) 14,500 K
  C) 19,000 K
  D) 20,400 K
  E) 10,200 K


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shaikhs

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

E


stock

  • Member
  • Posts: 573
Reply 2 on: Jul 29, 2018
Excellent

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

A typical output driver. In this case, the PCM applies voltage to the fuel pump relay coil to ... A typical output driver. In this case, the PCM applies voltage to the fuel pump relay coil to ...
When the exhaust is lean, the PCM applies a positive current into the pump cell. When the exhaust is lean, the PCM applies a positive current into the pump cell.
A schematic showing that an inertia switch is connected in series between the fuel-pump relay and ... A schematic showing that an inertia switch is connected in series between the fuel-pump relay and ...
Fluidization - Chart Pump #2 Fluidization - Chart Pump #2
Mechanisms of Heat Transfer Mechanisms of Heat Transfer
You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ... You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ...
Video: Inflammation Animation

For a complete list of videos, visit our video library