A Centrifuge Rotates at 100 Rev/s (I

question 65

Multiple Choice

A centrifuge rotates at 100 rev/s (i.e. ,628 rad/s) .If the test tube places the suspension at 8.0 cm from the axis of rotation,by what factor are the terminal speeds of the settling particles increased as compared to sedimentation cause by gravity?

• A)3.2 ´ 10²
• B)64
• C)800
• D)3.9 ´ 10⁵

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