ppt, 1.73 MB
ppt, 1.73 MB
mp4, 852.2 KB
mp4, 852.2 KB
Describe the variation of gravitational force with distance
Explain the variation in speed of planets and periodic comets
Explain that artificial satellites in lower orbits travel faster because the gravitational force is stronger
Explain the differences in orbit times of low polar and geostationary satellites

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