A wheel which is at rest, rotates with 3.0 rad/s2 angular acceleratio – InterviewSolution

1.	A wheel which is at rest, rotates with 3.0 rad/s2 angular acceleration for 2.0 s. What will be the angular velocity gained and how much would be the displacement in this time interval?
Answer» Given; ω₀ = 0; α = 3.0 rad/s²; t = 2.0 s; ω = ?; θ = ? From first equation of motion, ω = ω₀ + αt = 0 + 3.0 × 2 or ω = 6.0 rad/s Now applying second equation, θ = ω₀t + \(\frac{1}{2}\) αt² = 0 + \(\frac{1}{2}\) × 3 × 2 × 2 or θ = 6.0 rad

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