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Author Question: A 700-kg satellite is in an elliptical orbit around Earth with a perigee (the point of closest ... (Read 101 times)

krzymel

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A 700-kg satellite is in an elliptical orbit around Earth with a perigee (the point of closest approach) of 7.50  106 m from the center of Earth and an apogee (the furthest point from the center of Earth) of 11.5  106 m.
 
  What is the total energy of the satellite? The mass of Earth is 5.97  1024 kg and G = 6.67 x 10-11 Nm2/kg2. A) -4.51  1010 J
  B) -3.10  1010 J
  C) -2.08  1010 J
  D) -1.04  1010 J
  E) -1.47  1010J

Question 2

A certain light source blinks once per second in its own frame of reference. As you recede from the blinking source, you observe the frequency of blinks to be
 
  A) less than 1 Hz.
  B) 1 Hz.
  C) more than 1 Hz.



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sultansheikh

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Answer to Question 1

E

Answer to Question 2

Answer: A





 

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