Answer:
All points to the left of zero are negative
Explanation:
Having different densities being swirled rapidly will cause sedimentation. Sedimentation is the segmentation of the mixture creating layers of particles of these different densities. The process of rapid swirling is called differential centrifugation. An example use of this method is separation human blood into, red, platelet and white blood cells.
Im sorry may you please retake the picture then i will answer
Radial acceleration is given by

where

then

Now

Using the relation


Putting into rpm