Page 7 - Spotlight A+ Physics Form 4.5
P. 7
Man-made satellites Linear satellite speed GM v = r Non-geostationary satellite Escape velocity 2GM v = r
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consist of
Geostationary satellite Earth-satellite system
used for
Gravitation Kepler's laws First Law Second Law Third Law T 2 ∝ r 3 Sun-planet system
can derive
consist of
Newton's Universal Law of Gravitation Gravitational force F = GMm r 2 Gravitational acceleration GM g = r 2 Centripetal force F = mv 2 r Mass of Earth M = 4π 2 r 3 GT 2
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