MadSci Network: Astronomy
Query:

Subject: Escape Velocity

Posted by Annie Vogel
Grade level: 10-12
School: New Prague High School
City: New Prague State/Province: MN
Country: USA
Area of science: Astronomy
Message:
What is the distance from the Earth to the moon?  
What is the escape velocity an object must have in order 
to overcome the earth's gravity and begin to "fall" towards the moon?  
At what distance from the earth to the moon does this take place? 
What is the ratio of the moon's gravity to the gravity of the earth?

Re: Escape Velocity

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