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Mini-Quiz: Gravitational Escape Velocity with Saturn V Rocket

by Ron Kurtus (revised 7 March 2011)

Take this Mini-Quiz to check your understanding of the lesson material.

1. What would happen to a rocket that attained the escape velocity at a very low altitude?

It would escape from Earth earlier than expected

There would be the danger to people below

The air resistance would overheat the outer shell of the rocket

2. Why were three stages used in Saturn V?

The method effectively reduced its weight as fuel was expended

Three different companies made the stages

No one really knows for sure why they did that

3. Why didn't Apollo 11 reach the gravitational escape velocity?

Apollo 11 would burn up if it ever reached the escape velocity

It wasn't necessary, since Apollo 11 was only going to the Moon

Apollo 11 exceeded the escape velocity, but the fact was never disclosed

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Excel in your work

Resources and references

The following resources can be used for further study on the subject.

Web sites

Reports/Apollo 17/Saturn V flight evaluation/4 Trajectory - Unofficial Apollo 17 Flight Journal

Translunar Injection - NASA History statistics

Saturn V - Lunar mission launch sequence from Wikipedia

Saturn V Launch Simulation by Robert A. Braeunig

What is escape velocity? - From PhysLink

Escape Velocity - From Wikipedia

Gravitation Resources


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Top-rated books on Escape Velocity and Space Travel

Questions and comments

Do you have any questions, comments, or opinions on this subject? If so, send an email with your feedback. I will try to get back to you as soon as possible.

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Mini-Quiz: Gravitational Escape Velocity with Saturn V Rocket

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