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physics

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A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, it rotates through 54.0 revolutions before coming to rest. Find the constant angular acceleration of the centrifuge in rad/s^2.

  • physics - ,

    3500 rev/min = 366.5 rad/s

    Time to stop = 54 rev/(average rpm) = 0.0309 min = 1.851 seconds

    angular deceleration rate
    = (366.5 rad/s)/(1.851s)
    = ____ rad/s^2

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