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(An example calculation that compares the velocity and orbital period of a…
An example calculation that compares the velocity and orbital period of a satellite in low-Earth orbit versus a geostationary orbit.
Mentioned the speed, height and period of a geostationary orbit
Mentioned the speed, height, and period of a low-Earth orbit
Includes a correct calculation of either the speed or period of a satellite in geostationary orbit OR in low-Earth orbit by using centripetal and gravitation formulas. (accept use of rotational motion equations
Includes a correct calculation of either speed or period of a satellite in geostationary orbit AND in low-Earth orbit
An explanation of the advantages and disadvantages of placing different types of satellites in low-Earth orbit vs a geostationary orbit
Refers to line of sight / how much of the Earth is covered when comparing the advantages and disadvantages of low-Earth vs geostationary orbits
Compares the rotation of the Earth to the orbital period of the satellite when comparing the advantages of different orbits
Discussion of the forces involved in keeping a satellite in low-Earth orbit vs geostationary orbit, including the average lifetimes of each of these types of orbits
Explains why it is advantageous for Earth-monitoring systems to be placed in low-Earth orbit
A description of low-Earth orbit and a geostationary orbit
Described a geostationary orbit
Described a low-Earth orbit
Includes a diagram of low-Earth vs geostationary orbits
An explanation of the physics principles that are involved in launching a satellite into orbit around the Earth
Refers to forces, Newton’s 3rd Law, OR conservation of momentum in their description of how a satellite is launched into orbi
A description of what artificial satellites are and their uses
Description of artificial satellite types
The physics principles that are involved in keeping satellites in orbit around the Earth.
Refers to Newton’s law of Gravitation in their description of what a satellite needs to remain in orbit
how well you describe the relevant physics and integrate it into the context of geostationary satellites. In your report, you should aim to elaborate, justify, evaluate, compare and contrast, or analyse the physics that underpins the context
You are limited to 2000 words.
For E: There must be 3 recorded references from 2 different types of sources of information eg books, school textbooks, internet, science journal, newspaper, family magazine, text, encyclopaedia.
Includes the quantity calculated in an explanation of the reasons for placing satellites in geostationary orbits