Two (spherical) species are to be separated by centrifugation. the ratio between the modified mass and the viscous coefficient (6 rk) is 3.1 x 1013 s for the second species, and4.9x 10-13 s for the first species. the diffusion coefficients are, respectively, 1.1 x 1010 and 8.7 x 10 m/s. a) determin minimum length of the tube that should be used to allow for a successful separation considering the (apparent) centrifugal acceleration to be 8 x 101 g. b) what would be the consequence(s) of using a longer tube?

fgravity=10x10=100n case 1

fgravity=30x20=600n case 2

6 times more

this is an example of "committed" time.

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