A problem with chemical sedimentation? Thank you
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The viscosity of a liquid can be determined by using smooth spheres to measure their free fall in a viscous fluid. Why is it necessary to measure the settling velocity in the region that is 1/3 of the way from the liquid surface and 1/3 of the way from the bottom of the container?
Measured at this position is more representative
Hello. Actually, I don’t know anything about this issue at all. Could you please explain it more clearly? It’s the kind that has basis and reason. Thank you so much! !