- The shaft rotates at 120 rpm (revolutions per minute).
- Convert this to radians per second:
\[
\omega = 120 \, \text{rpm} \times \frac{2\pi \, \text{radians}}{1 \, \text{revolution}} \times \frac{1 \, \text{minute}}{60 \, \text{seconds}} = 12.57 \,
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