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03-06-2017
Physics

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A test tube is in uniform circular motion in a centrifuge, which is a piece of scientific equipment used to separate solids from liquids by spinning its contents very quickly. The velocity of the test tube A. does not change. B. is constantly changing. C. depends on the mass of the centrifuge. D. is perpendicular to the direction of motion.
PLSSS ANSWER!!!!

Respuesta :

03-06-2017

Since direction is part of velocity, and the object is moving in a circle, its velocity is constantly changing.

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