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What is the applied centrifugal field at a point equivalent to 5 cm from the centre of rotation and an angular velocity of 3000 rad s^-1?(a) 4.5 × 10^-7 cm s^-2(b) 5.4 × 10^-7 cm s^-2(c) 3.4 × 10^-7 cm s^-2(d) 6.5 × 10^-7 cm s^-2I had been asked this question in class test.My doubt is from Centrifugation in chapter Unit Operations of Bioprocess Engineering

Answer»

Correct choice is (a) 4.5 × 10^-7 CM s^-2

For explanation I WOULD SAY: The centrifugal FIELD G, at a point 5 cm from the centre of rotation MAY be calculated using the equation G = ω^2 r,

G = (3000)^2 × 5 cm s^-2 = 4.5 × 10^-7 cm s^-2.


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