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Author Question: Two satellites are monitored as they orbit the Earth; satellite X is four times as far from the ... (Read 109 times)

Tirant22

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on: Jul 28, 2018
Two satellites are monitored as they orbit the Earth; satellite X is four times as far from the Earth's center as is satellite Y. From Kepler's third law one may conclude that the period of revolution of X is what factor times that of Y?
 a. 1/2
  c. 8.0
  b. 2.0
  d. 22.6

Question 2

An asteroid has a perihelion (the orbit's closest approach to the Sun) of 2.5 AU and a period of revolution of 8.0 y. What is its greatest distance from the Sun (its aphelion)? (Hint: For an elliptical orbit, the effective radius of the orbit is half the sum of the nearest distance to the Sun and the greatest distance from the Sun.)
 a. 8.0 AU
  c. 5.5 AU
  b. 6.5 AU
  d. 2.5 AU


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essyface1

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


Tirant22

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Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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