Solution ϖ2=ϖ1+αtat t=4secfinal angular velocity will be= 10π×2π-2π×4=12π rad/sec

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Solution

ϖ_{2} = ϖ_{1} + α t a t t = 4 s e c f i n a l a n g u l a r v e l o c i t y w i l l b e = 10 π \times 2 π - 2 π \times 4 = 12 π rad / \sec

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