A body rotates with an initial angular velocity of

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

Problem

3.2 \text{ rad s}^{-1}

. The angular velocity increases to

12.4 \text{ rad s}^{-1}

after the body has made 20 full revolutions. Calculate the angular acceleration.