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Author Question: Human beings mostly emit which kind of electromagnetic radiation? A) ultraviolet B) visible C) ... (Read 78 times)

tsand2

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on: Jul 27, 2018
Human beings mostly emit which kind of electromagnetic radiation?
 
  A) ultraviolet
  B) visible
  C) microwave
  D) infrared

Question 2

Neglecting the effect of air friction, at what angle should a cannon be raised to achieve the greatest HEIGHT?
 
  What will be an ideal response?


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annierak

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

D

Answer to Question 2

90.


tsand2

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Reply #2 on: Jul 27, 2018
Thanks


annierak

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Reply #3 on: Jul 27, 2018
Welcome :)


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