Gravitation Flashcards
1
Q
What is a geostationary orbit?
A
to remain above the same point of the central mass
2
Q
Period of satellite =
A
rotation of central mass
3
Q
How do you find the radius for a geostationary orbit
A
r = the cubed root of ((GMT^2)/4pi^2))
4
Q
Escape velocity
A
Vesc = root((2GM/r))
5
Q
Critical velocity
A
Vcrit = root(GM/r)
6
Q
Kepler’s laws
A
1st. Every orbit is elliptical with the sun at one foci
2nd. The orbit of an object will sweep equal areas in equal times
3rd. Every satellite in an orbiting system has the same ratio
7
Q
A
