A centrifuge is a common laboratory instrument that separates components of diff

Question

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 10.8 s before coming to rest. If its initial angular speed was 3857 rpm, what is the magnitude of its angular deceleration? Give answer in rev/s2. Do not enter unit.

Explanation / Answer

Angular speed = 3857 rpm=3857/60=64.28 rev/s
A)=>Anugler retardation=64.28/10.8=5.95 rev/s^2
B)No of revolution of centrfugal pump before coming to rest
=64.28 x 10.8= 694.224

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