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Author Question: Based on the definition of apparent brightness, which units are appropriate for its measurement? ... (Read 91 times)

lb_gilbert

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on: Jul 27, 2018
Based on the definition of apparent brightness, which units are appropriate for its measurement?
 
  A) watts
  B) joules
  C) watts per square meter
  D) Newtons

Question 2

What would happen to Jupiter if we could somehow double its mass?
 
  A) Its density would decrease and its diameter would double.
  B) Its density would stay about the same and its volume would double.
  C) Its density would increase but its diameter would barely change.
  D) It would become a star, with nuclear fusion in its core.


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aburgess

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


lb_gilbert

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


aburgess

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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