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α = (ω - ωo)/t
α = (2.7e4 rev/min)(2π rad/rev)(min / 60 s) / (2.60 s)
α = 1087 rad/s^2
θ = αt^2 / 2
θ = (1087rad/s^2)(2.60 s)^2 / 2
θ = 418 rad
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