A wheel starts from rest with a constant angular acceleration of 2 rad/s². Through what angle does it turn in 10 s?
Correct answer C. 100 rad
Explanation
θ = ω₀t + ½αt² = 0 + ½ × 2 × 10² = 100 rad. Forgetting the ½ gives 200 rad, and αt = 20 is the final angular speed.
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