The vertical plate shown is welded to arm EFG, and the entire unit rotates at the constant rate 1 ω = 1.6 rad/s about the Y axis. At the same time, a continuous link belt moves around the perimeter of the plate at a constant speed u = 90 mm/s. For the position shown, determine the acceleration of the link of the belt located

(a) At point C,

(b) At point D.

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120mm 120 m 200