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Author Question: Theories are derived directly from observations. Indicate whether the statement is true or ... (Read 76 times)

tfester

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Theories are derived directly from observations.
 
  Indicate whether the statement is true or false

Question 2

A heat engine operates between 800 K and 300 K, but its efficiency is only 80 of the maximum possible. What is the actual efficiency of the engine?
 
  A)
 
  30
 
  B)
 
  70
 
  C)
 
  38
 
  D)
 
  50
 
  E)
 
  36



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mammy1697

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Answer to Question 1

FALSE

Answer to Question 2

D



tfester

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Both answers were spot on, thank you once again



mammy1697

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