α = (ω - ωo)/t
α = (2 e4 rev/min)(2π rad/rev)(min / 60 s) / (3s)
α = 698.13 rad/s^2
θ = αt^2 / 2
θ = (698.13rad/s^2)(3 s)^2 / 2
θ = 3141.59 rad = 3.142 * 10^3 rad
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