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Author Question: Which would require the greater change in a satellite's orbital speed (8 km/s); slowing down so it ... (Read 158 times)

futuristic

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on: Jul 29, 2018
Which would require the greater change in a satellite's orbital speed (8 km/s); slowing down so it crashes into Earth, or speeding up so it escapes Earth?
 
  A) slowing down
  B) speeding up
  C) same each way
  D) need more information

Question 2

Which would require the greater energy; slowing the orbital speed of a satellite so it crashes into Earth, or increasing the orbital speed so it escapes Earth?
 
  A) slowing down
  B) speeding up
  C) same each way


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blakeserpa

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

Answer: A

Answer to Question 2

Answer: C


futuristic

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Reply 2 on: Jul 29, 2018
Excellent

apple

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Reply 3 on: Yesterday
Wow, this really help

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