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Author Question: Which statement illustrates the fact that two different theories can both agree with the same set of ... (Read 69 times)

craiczarry

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on: Jul 29, 2018
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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Reply #1 on: Jul 29, 2018
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
Excellent

bblaney

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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