A car travels around a circular track of radius with a speed of

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

Problem

A car travels around a circular track of radius

120\,\text{m}

with a speed of

25\,\text{m/s}

. Its speed is increasing tangentially at

2.0\,\text{m/s}^{2}

at that instant. Determine the car’s angular acceleration

\alpha

\text{rad/s}^{2}