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

Author Question: For a cube-shaped room, 10 ft on a side, what will be the rate of heat loss if the R-value is 4 ... (Read 131 times)

james

  • Hero Member
  • *****
  • Posts: 573
For a cube-shaped room, 10 ft on a side, what will be the rate of heat loss if the R-value is 4 ft2-F hr/Btu for each side and the T is 50 F?
 a. 800 b. 1200 c. 5000 d. 7500 e. 12,000 Btu/hr

Question 2

A book is placed on a chair. Then a videocassette is placed on the book. The floor exerts a normal force
 a. on all three. b. only on the book.
  c. only on the chair.
  d. upwards on the chair and downwards on the book.
  e. only on the objects that you have defined to be part of the system.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

d

Answer to Question 2

C




james

  • Member
  • Posts: 573
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Excellent

 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library