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10 questions from this quiz
xxx and yyy as functions of a third var
Time, angle, or another variable
x(t)=v0cos(θ)⋅tx(t) = v_0 \cos(\theta) \cdot tx(t)=v0cos(θ)⋅t
y(t)=v0sin(θ)⋅t−12gt2y(t) = v_0 \sin(\theta) \cdot t - \frac{1}{2}gt^2y(t)=v0sin(θ)⋅t−21gt2
Parabola
Angular velocity
Set dydt=0\frac{dy}{dt} = 0dtdy=0 and solve for ttt
x(t)=rcos(ωt)x(t) = r \cos(\omega t)x(t)=rcos(ωt), y(t)=rsin(ωt)y(t) = r \sin(\omega t)y(t)=rsin(ωt)
x(t)=acos(t)x(t) = a \cos(t)x(t)=acos(t)
They model curves hard to express in Cartesian
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