A Centrifuge in a Medical Laboratory Rotates at a Rotational

question 48

Short Answer

A centrifuge in a medical laboratory rotates at a rotational speed of 3600 rev/min. When switched off, it makes 50 complete turns at a constant angular acceleration before coming to rest.
(a) What was the magnitude of the angular acceleration of the centrifuge as it slowed down?
(d) How long did it take for the centrifuge to come to rest after being turned off?

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Definitions:

Double-layered Membrane

A structure consisting of two layers of membrane that can envelop or line cellular organelles or body cavities.

Microvilli

Finger-like protrusions from the surface of some cells, increasing their surface area for absorption.

Cilia

Microscopic, hair-like structures on the surface of cells, moving fluid or mucus across the cell surface.

Absorption

The process by which substances are taken up by the body, often referring to nutrients and drugs through the gastrointestinal tract.