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A circular-motion addict of mass 90 kg rides a Ferris wheel around in a verticalcircle of radius 10 m at a constant speed of 6.3 m/s.
a) What is the period of the motion?
b) What is the magnitude of the normal force on the addict fromthe seat when both go through the highest point of the circularpath?
c) What is it when both go through the lowest point?

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