Author Question: Which would require the greater change in a satellite's orbital speed (8 km/s); slowing down so it ... (Read 147 times)

futuristic · **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