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Author Question: The maximum voltage of an ac signal is 8.0 V. What is the rms value of this voltage? A) 2.8 V B) ... (Read 40 times)

haleyc112

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on: Jul 29, 2018
The maximum voltage of an ac signal is 8.0 V. What is the rms value of this voltage?
 
  A) 2.8 V
  B) 5.7 V
  C) 6.2 V
  D) 4.0 V
  E) 16.0 V

Question 2

A spaceship traveling at constant speed away from the Sun crosses the orbit of Earth and later crosses the orbit of Mars.
 
  What is the distance between these two events in the spaceship frame of reference? The radius of Earth's orbit is 150  109 m and that of Mars is 228  109 m.


rekilledagain

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

B

Answer to Question 2

Zero m


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haleyc112

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


rekilledagain

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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