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Author Question: A Carnot refrigerator has a coefficient of performance = 2.5. The refrigerator consumes 50 W of ... (Read 910 times)

itsmyluck

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A Carnot refrigerator has a coefficient of performance = 2.5. The refrigerator consumes 50 W of power. How much heat is removed from the interior of the refrigerator in 1 hour?
 
  A)
 
  7.5 kJ
 
  B)
 
  4.5  105 J
 
  C)
 
  1.8  105 J
 
  D)
 
  7.2  105 J
 
  E)
 
  72 kJ

Question 2

When a proton passes through matter, it is possible for it to interact with the matter in such a way that an electron and a positron are produced; this interaction is referred to as
 
  A)
 
  the photoelectric effect.
  B)
 
  the Compton effect.
  C)
 
  the de Broglie effect.
  D)
 
  pair production.
  E)
 
  none of the given answers



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bitingbit

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Answer to Question 1

B

Answer to Question 2

D




itsmyluck

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review


LVPMS

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Reply 3 on: Yesterday
:D TYSM

 

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