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Author Question: If a light-emitting object is moving away from you, you observe its wavelengths to be ________ its ... (Read 57 times)

azncindy619

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on: Jul 27, 2018
If a light-emitting object is moving away from you, you observe its wavelengths to be ________ its wavelengths if it were at rest.
 
  a. longer than
  b. shorter than
  c. the same as

Question 2

Earth's orbit is nearly circular, varying by only a few percent in distance from the Sun over one orbital period.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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vickyvicksss

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Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

True


azncindy619

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Reply 2 on: Jul 27, 2018
Gracias!

ecabral0

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Reply 3 on: Yesterday
Wow, this really help

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