A disk whose rotational inertia is 450 kg∙m² hangs from a wire whose torsion constant is 2300 N∙m/rad.When its angular displacement is −0.23 rad, what is its angular acceleration? A)1.0 x 10^-2 rad/s² B)4.5 x 10^-2 rad/s² C)0.23 rad/s² D)0.52 rad/s² E)1.2 rad/s²

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The Answer of A disk whose rotational inertia is 450 kg∙m² hangs from a wire whose torsion constant is 2300 N∙m/rad.When its angular displacement is −0.23 rad, what is its angular acceleration? A)1.0 x 10^-2 rad/s² B)4.5 x 10^-2 rad/s² C)0.23 rad/s² D)0.52 rad/s² E)1.2 rad/s²

A Disk Whose Rotational Inertia Is 450 Kg∙m2 Hangs from a Wire

A Disk Whose Rotational Inertia Is 450 Kg∙m² Hangs from a Wire