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Author Question: Kepler was finally able to absolutely prove the truth of his theory of the motion of the planets by ... (Read 84 times)

darbym82

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on: Jul 29, 2018
Kepler was finally able to absolutely prove the truth of his theory of the motion of the planets by using
 
  A) the data of Tycho Brahe.
  B) his own highly accurate observations of the planets.
  C) data gathered by the ancient Greeks.
  D) All of the above.
  E) Nonsense--it is impossible to prove that a theory is true.

Question 2

An electromagnetic wave is propagating towards the west. At a certain moment the direction of the magnetic field vector associated with this wave points vertically up. The direction of the electric field vector of this wave is
 
  A) horizontal and pointing south.
  B) vertical and pointing down.
  C) horizontal and pointing north.
  D) vertical and pointing up.
  E) horizontal and pointing east.


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Dnite

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Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


darbym82

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Reply 2 on: Jul 29, 2018
:D TYSM

jomama

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Reply 3 on: Yesterday
Wow, this really help

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