A grinding wheel initially rotates at

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

Problem

75\,\text{rad/s}

. After the power is switched off, it slows with a constant angular deceleration of

-4.0\,\text{rad/s}^2

. Determine the time it takes for the wheel to come to rest.