Satellites Everywhere...

"Watching over You"

Homework Quiz

Objectives:

• 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.

Launching Satellites 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

Nothing Yet Nothing Yet Orbital Energies Transferring from One Orbit to Another Escaping from Orbit Orbital Speeds Orbital Transfers

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