Answer
(a) $1,047.2\text{ rad/sec}$
Work Step by Step
(a)
Let $\omega$ be the angular speed.
$$\omega=10,000~\frac{rev}{min}\times\frac{2\pi~rad}{1~rev}\times\frac{1~min}{60~sec}=1,047.2\text{ rad/sec}$$
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