What is the limit on how many gravity assists a single spacecraft can get? None One Two Three There is no limit

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Please check if the first question s correct. The answers for the answer that I put is two. And how do I do the other question? If you can do the first questions then please do the second. But I am have trouble with both
What is the limit on how many gravity assists a single spacecraft can get?
None
One
Two
Three
There is no limit
Transcribed Image Text:What is the limit on how many gravity assists a single spacecraft can get? None One Two Three There is no limit
In the best case scenario for a gravity boost, a spacecraft approaches a planet very
closely and does a U-turn around it, heading back exactly in the direction it came
(see the image below).
Before Collision
After Collision
If the spacecraft was initially going to the right with a speed of 3 km/s, and the
planet was going to the left at a speed of 14 km/s, what would be the fastest the
spacecraft could be going after the U-turn, in km/s?
Transcribed Image Text:In the best case scenario for a gravity boost, a spacecraft approaches a planet very closely and does a U-turn around it, heading back exactly in the direction it came (see the image below). Before Collision After Collision If the spacecraft was initially going to the right with a speed of 3 km/s, and the planet was going to the left at a speed of 14 km/s, what would be the fastest the spacecraft could be going after the U-turn, in km/s?
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