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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 129 times)

james

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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.



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aloop

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Answer to Question 1

d

Answer to Question 2

C




james

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Reply 2 on: Jul 28, 2018
:D TYSM


frankwu0507

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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