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Author Question: Which statement illustrates the fact that two different theories can both agree with the same set of ... (Read 40 times)

craiczarry

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Which statement illustrates the fact that two different theories can both agree with the same set of observations?
 
  A) Nonsense--it is impossible for two different theories to both be correct.
  B) the theories of Ptolemy and Copernicus, before Tycho made his observations
  C) the theories of Copernicus and Kepler, after Tycho made his observations
  D) the theories of Galileo and Kepler
  E) the Earth-centered circular orbit theory of the early Greeks, and the later theory of Ptolemy

Question 2

A sinusoidal electromagnetic wave in vacuum delivers energy at an average rate of 5.00 W/m2. What are the amplitudes of the electric and magnetic fields of this wave?
 
  (c = 3.0  108 m/s,
  0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)



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medine

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Answer to Question 1

B

Answer to Question 2

Emax = 0.0614 V/m, Bmax = 0.205 nT




craiczarry

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


FergA

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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