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Author Question: Theories are derived directly from observations. Indicate whether the statement is true or ... (Read 25 times)

tfester

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on: Jul 29, 2018
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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Reply #1 on: Jul 29, 2018
Answer to Question 1

FALSE

Answer to Question 2

D


tfester

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


mammy1697

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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