What are the properties of an orbit?
Centripetal acceleration and orbital period
Orbital velocity is shown as? (hint: not v = 2Οr/T
v = βGM/R
What is the Torque formula?
T = Fd (perpendicular) = Fdsinπ
Work (W) is represented as?
W = Fs = Fscosπ
Newton's law of universal gravitation is?
F = GMm/r^2
Time of flight is equal to?
2usinπ½/g
Angular velocity is represented as?
Ο = π/t
In radians and degrees, the arc length (l) equation is?
rπ (in radians) = 2Οr(π/360) (in degrees)
Max height of a projectile motion is?
vy = 0 + at
Horizontal range of a projectile is equal to?
π^ππππππ½/g
Gravitational field strength known as gravitational acceleration is represented as?
g = GM/R^2
Circular average speed is represented as?
v = 2Οr/T
Maximum height reached of a projectile is equal to?
π^ππππ^ππ½/πg
Total time to time of flight is equal to?
2 x tmax height
Escape velocity is shown as?
u = β2GM/r
What is a vertical equation of motion?
vy = uy + at or vy^2 = uy^2 + 2asy or sy = uyt + Β½ at^2
Centripetal force equation is?
F = mac = mv^2/r
Number of rotations in one second is called?
Frequency, f = 1/T
What is a satellite?
It is an object with a stable orbit around another object
Centripetal acceleration equation is?
ac = v^2/r = 4Ο^2r/T
What is a horizontal equation of motion?
sx = uxt or sx = πππππππ½/π
Fc always acts towards the _____ of motion.
Centre
For an object to be in orbit it needs?
Centripetal force and momentum