A disc starts from rest

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

A disc starts from rest, accelerates uniformly at

5\,\text{rad}\,\text{s}^{-2}

for

2\,\text{s}

and then continues to rotate with the angular velocity attained for the next

4\,\text{s}

. Calculate the total angular displacement of the disc during these

6\,\text{s}