Rotational Motion

The moment of inertia of a body about a given axis is \(1.2 \mathrm{~kg} / \mathrm{m}^3\). Initially the body is at rest. In order to produce rotational kinetic energy of \(1500 \mathrm{~J}\), an angular acceleration of \(25 \mathrm{rad} / \mathrm{s}^2\) must be applied about an axis for a time duration of