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A bicycle wheel of radius r is rolling without slipping with constant speed Vo around a...

A bicycle wheel of radius r is rolling without slipping with constant speed Vo around a track with radius R (>>r). What is the acceleration at the highest and lowest points of the wheel? Choose the coordinate system with the origin at the center of the wheen, rather than have the moving system rotate with the wheel, choose the system which the z' axis points upward.

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