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Author Question: In addition to the electric force law and the magnetic force law, the other key principle that is ... (Read 80 times)

theo

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In addition to the electric force law and the magnetic force law, the other key principle that is needed to explain electromagnetic waves is
 
  A) electromagnetic forces can be felt across a distance.
  B) Newton's law of motion.
  C) electromagnetic fields are established instantaneously.
  D) forces always come in pairs, so for every sender of electromagnetic force there must be a receiver.
  E) electromagnetic fields are not established instantaneously.

Question 2

How do coal power plants and nuclear power plants differ?
 
  A) One has a stack--i.e., smokestack--and the other doesn't.
  B) They use different fuels.
  C) Both of the above.
  D) One uses a cooling tower or a cooling lake or river, and the other doesn't.
  E) All of the above.



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irishcancer18

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Answer to Question 1

E

Answer to Question 2

C




theo

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it


adf223

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Reply 3 on: Yesterday
Wow, this really help

 

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