Posted by **Emilia** on Friday, June 15, 2012 at 8:15pm.

Life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. Samples in a symmetric array of containers are spun rapidly about a central axis. The centrifugal acceleration they experience in their moving reference frame acts as "artificial gravity" to effect a rapid separation. If the sample containers are 13 cm from the rotation axis, what rotation frequency is required to produce an acceleration of

1.40 · 105 g?

The answer is supposed to be 517 1/s. How do I arrive at this answer. Thank you very much in advance.

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