Chapter 11 Flashcards
What are the 3 normal SUVAT equations for 2 dimensions?
v = v0 + at v^2 = u^2 +2as s = ut + 0.5at^2
What is ω? What is the equations for it?
Angular Velocity
ω = dθ/dt
What is α? What is the equation for it?
α = dω/dt α = d^2θ/dt^2
What are the 3 SUVAT equations for circular motion
ω = ω0 + αt ω^2 = ω0^2 +2α(θ-θ0) θ = ω0t + 0.5αt^2
What is the equation for tangential velocity?
v[t] = rω
What is the equation for radial velocity?
v[r] = dr/dt
What is the equation for centripetal acceleration?
a[c] = (v^2)/r a[c] = rω^2
What is the equation for tangential acceleration?
a[t] = 2(dr/dt)ω + rα
What is the equation for radial acceleration?
a[r] = (d^2r/dt^2) - rω^2
What is the full equation for velocity when using polar coordinates?
v = (dr/dt)ȓ + (rω)θ
What is the full equation for the acceleration when using polar coordinates?
a = ((d^2r/dt^2) - rω^2)ȓ + (r(dr/dt)ω + rα)θ