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Compute all parts of given question:
Question: We are centrifuging a collection of particles with diameter 150 nm and average density of 1.10 g/cm3 through a water solution with density 1.0 c/cm3 at 20,000 rpm. The viscosity of the water is 1 x 10-3 Pa s, Pa=1 N/m2
Part A: At a distance of 8.5 cm from the axis of rotation, what is the net force on a particle?
Part B: From Stoke's equation, calculate the frictional coefficient.
Part C: What is the particle's terminal velocity?
Part D: What direction is the net force? What causes this net force?
Explain how you came up the prefixes and answer please.
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A charged particle moves through a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 3.85 103 N/C, while the magnetic field is 0.360 T. When the electric field is turned off, the charged particle..
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An electric point charge of Q1 = 7.85 nC is placed at the origin of the real axis. Another point charge of Q2 = 3.83 nC is placed at a position of p = 3.99 m on the real axis. At which position can a third point charge of q = -7.31 nC be placed so th..
If the ball was thrown from the street, when does it reach the street again after it passes by window on the way up.
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