A turntable initially at rest receives of work from its motor

PHYSICS · Subjective · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A turntable initially at rest receives

1.5\times10^{3}\,\text{J}

of work from its motor, reaching an angular speed of

5.0\,\text{rad/s}

. Assuming all the work becomes rotational kinetic energy, calculate the rotational inertia of the turntable.