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Angular Position
Theta θ
Angular Displacement
Change in theta Δ θ
How many degrees in 2π radians?
360
How many π in 1 revolution?
2π radians
Angular Velocity
(ω) ; ω = mr
Rotational Motion
ω = change in θ / change in time (t)
Linear motion
change in x / change in time
Angular Acceleration
α ; α = change in ω / change in time (t)
Linear Acceleration
a = change in velocity (v) / change in time (t) ; a = α*r
vf = vi + at
wf = wi + αt
change in x = 1/2at² + wi(t)
change in θ = 1/2αt² + wi(t)