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September 17, 2014

Homework Help: physics

Posted by lindsey on Wednesday, August 31, 2011 at 4:08pm.

You are designing a centrifuge to spin at a rate of 13,880 rev/min.
(a) Calculate the maximum centripetal acceleration that a test-tube sample held in the centrifuge arm 14.6 cm from the rotation axis must withstand.


(b) It takes 1 min, 17 s for the centrifuge to spin up to its maximum rate of revolution from rest. Calculate the magnitude of the tangential acceleration of the centrifuge while it is spinning up, assuming that the tangential acceleration is constant.

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