This question is imposible: A sample of blood is placed in a centrifuge of radiu

Question

This question is imposible: A sample of blood is placed in a centrifuge of radius 10.0 cm.The mass of a RBC is 3.0 x 10^-16 kg, and the magnitude of theforce acting on it as it settles out of the plasma is 4.0 x 10^-11N. -At how many revolutions per second should the centrifuge beoperated? This question is imposible: A sample of blood is placed in a centrifuge of radius 10.0 cm.The mass of a RBC is 3.0 x 10^-16 kg, and the magnitude of theforce acting on it as it settles out of the plasma is 4.0 x 10^-11N. -At how many revolutions per second should the centrifuge beoperated?

Explanation / Answer

   The magnitude of the force is              F = mr2
      The angular speed of the centrifugeis                              = (F/(mr))                                 =  ((4.0 x 10^-11 N)/((3.0 x 10^-16kg)(0.1m)))                                  =---- rad/s

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