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Author Question: Suppose you photographed Earth's dark side from space, using ultraviolet-sensitive film, and using ... (Read 80 times)

shenderson6

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Suppose you photographed Earth's dark side from space, using ultraviolet-sensitive film, and using infrared-sensitive film. What would you expect to see in the photo?
 
  A) Both photos would show radiation coming from all over Earth.
  B) The ultraviolet photo would show only artificial sources such as streetlights, while the infrared photo would show radiation coming from all over Earth.
  C) Neither photo would show anything--they would both be completely dark.
  D) Both photos would show only artificial sources, such as streetlights.
  E) The ultraviolet photo would show radiation coming from all over Earth, while the infrared photo would show only artificial sources such as streetlights.

Question 2

A 1-kg ball dropped from a height of 2 m rebounds only 1.5 m after hitting the ground. The amount of energy converted to heat is about
 
  A) 0.5 J.
  B) 1.0 J.
  C) 1.5 J.
  D) 2.0 J.
  E) more than 2.0 J.



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hanadaa

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Answer to Question 1

B

Answer to Question 2

Answer: E




shenderson6

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Reply 2 on: Jul 29, 2018
Wow, this really help


skipfourms123

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

 

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