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Physics - Mechanics - Rotational Motion

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A sample of blood is placed in a centrifuge of radius 15.0 cm. The mass of a red blood cell is 3.0 x 10^ -16 kg, and the magnitude of the force acting on it as it settles out of the plasma is 4.0 x 10^ -11 N. At how many revolutions per second should the centrifuge be operated?

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The expert examines rotational motion. A complete, neat and step-by-step solution is provided.

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Centripetal force, F = mv^2/r

4 x 10^ -11 = (3 x 10^ ...

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