Spherical proteins of an unknown radius have a density of 6.60 x 103 kg /m3 and are suspended in blood which has a viscosity 3.5 times that of water. The mixture is placed in a centrifuge of radius 10.8 cm which spins at 9000 rpm. If the proteins have a terminal velocity of 2.10 x 10 - 6 m/s, what is their radius? Express your answer to two decimal places in units of nanometers (1x 10-9m).

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Spherical proteins of an unknown
radius have a density of 6.60 x 103 kg
/m3 and are suspended in blood
which has a viscosity 3.5 times that of
water. The mixture is placed in a
centrifuge of radius 10.8 cm which
spins at 9000 rpm. If the proteins
have a terminal velocity of 2.10 x
10-6 m/s, what is their radius?
Express your answer to two decimal
places in units of nanometers (1x
10-9m).
Transcribed Image Text:Spherical proteins of an unknown radius have a density of 6.60 x 103 kg /m3 and are suspended in blood which has a viscosity 3.5 times that of water. The mixture is placed in a centrifuge of radius 10.8 cm which spins at 9000 rpm. If the proteins have a terminal velocity of 2.10 x 10-6 m/s, what is their radius? Express your answer to two decimal places in units of nanometers (1x 10-9m).
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