Question
Asked Dec 18, 2019
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A centrifuge in a medical laboratory rotates at an angular
velocity of 3 600 rev/min. When switched off, it rotates
through 50.0 revolutions before coming to rest. Find the constant
angular acceleration (in rad/s2) of the centrifuge.

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Expert Answer

Step 1

The final angular velocity is zero as the centrifuge stops.

During the 50 revolutions, the centrifuge rotates,

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e = 50x 2n = 100n rad

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Step 2

The angular acceleration...

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o² = 0} - 2a0 0 = o - 2a0 w; = 2a0 20

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