JEE Main & Advanced
Physics
Rotational Motion
Question Bank
Numerical Value Type Questions - System of Particles & Rotational Motion
question_answer
Moment of inertia of a body about a given axis is\[1.5\text{ }kg\,{{m}^{2}}\]. Initially the body is at rest. In order to produce a rotational kinetic energy of 1200 J, the angular acceleration of \[20\,rad/{{s}^{2}}\] must be applied about the axis for a duration of ____ seconds.