Converta rpm para rad/s: [ 120 \text{ rpm} \times \frac{2\pi...

Converta rpm para rad/s: [ 120 \text{ rpm} \times \frac{2\pi \text{ rad}}{1 \text{ rot}} \times \frac{1 \text{ min}}{60 \text{ s}} = 4\pi \text{ rad/s} \approx 12.57 \text{ rad/s} ]