Practice portal › Rotational Motion › Rotational Kinematics
Asked in CBSE AIPMT 2007 · Equations of rotational motion
Given: ω₀=2.00 rad s⁻¹, α=3.0 rad s⁻², t=2 s.
Idea: rotational kinematics mirrors the straight-line equations, with θ, ω and α in place of s, v and a.
θ=ω₀t+1/2α t²
ω₀t=2×2=4
1/2α t²=1/2×3×2²=6
θ=4+6=10 rad
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