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The velocity of the outer circumference of a spinning disk may be measured in two ways The absolute uncertainty in the velocity is 01 % when using an optical sensing device Using a strobe and a

The velocity of the outer circumference of a spinning disk may be measured in two ways. The absolute uncertainty in the velocity is 0.1 % when using an optical sensing device. Using a strobe and a ruler, the uncertainty in the angular velocity is 0.1 /s and the uncertainty in the diameter of the disk is 1 mm. Select the measurement method with the least uncertainty for the two methods if the disk is 0.25 m in diameter and is spinning at 10 rpm.

Jul 26 2020 View more View Less

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