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December 20, 2014

Homework Help: physics

Posted by marie on Thursday, November 3, 2011 at 10:19pm.

A centrifuge is a common laboratory instrument that separates components of differing densities in solution. This is accomplished by spinning a sample around in a circle with a large angular speed. Suppose that after a centrifuge in a medical laboratory is turned off, it continues to rotate with a constant angular deceleration for 11.6 s before coming to rest.
(a) If its initial angular speed was 4110 rpm, what is the magnitude of its angular deceleration?

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