The difficult takes time, the impossible can happen overnight.
"Watching over You"
Be able to derive orbital velocity from Newton's second law and the law of gravitation.
Be able to determine the energy and angular momentum requirements to transfer from one circular orbit to another.
Be able to calculate the escape velocity of an object from the surface of a planet and from satellite orbits.
Be able to derive escape velocity from the total energy equation.
Understand the difference between escape velocity and orbital velocity.
Understand what is meant by the Satellite Orbit Paradox.
The GPS Mission: Phase I
The GPS Mission: Phase II
Challenge: Right Place, Right Time
Greater Energy Equals Slower Speed?
Escaping from the Earth
Challenge: Single Stage Escape?
Challenge: Venus and Mars
Challenge: GPS Uses
Transferring from One Orbit to Another
Escaping from Orbit
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