The value of the diameter and the density are 9.5 and 1.06 respectively in a particular batch of polystyrene microspheres. The setting velocity of particles in 1G gravitational field at and the time required to 10 mm sediment of particlesis to be determined. The water density is .
The following formula will be used for the calculation of the settling velocity-
= velocity of particle
= density of particle
= density of fluid
= viscosity of the medium
= diameter of the particle
g = acceleration due to gravity
h = sedimentation distance
u = velocity of the particle
t = time
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