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(Solved): a.) Find the rotational inertia of the door. \[ \mathrm{kg} \mathrm{m} \mathrm{m}^{2} \] b.) Find ...
![a.) Find the rotational inertia of the door.
\[
\mathrm{kg} \mathrm{m} \mathrm{m}^{2}
\]
b.) Find the magnitude of the doors](https://media.cheggcdn.com/media/852/85214de5-3f6b-4961-ac06-ec9c1787469c/phpGiVRxO)
a.) Find the rotational inertia of the door. \[ \mathrm{kg} \mathrm{m} \mathrm{m}^{2} \] b.) Find the magnitude of the door's angular acceleration. \[ \mathrm{rad} / \mathrm{s}^{2} \] c.) Find the time it would take to rotate the door a half-circle, if it started from rest. s